18 authors.
Ana-Maria OrbaiFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Philip J MeaseFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Maarten de WitFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Umut KalyoncuFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Willemina CampbellFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
William TillettFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Lihi EderFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Musaab ElmamounFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Oliver FitzGeraldFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Dafna D GladmanFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Niti GoelFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Laure GossecFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Chris A LindsayFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Ingrid SteinkoenigFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Philip S HelliwellFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Neil J McHughFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Vibeke StrandFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We
Alexis OgdieFrom the Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine, Seattle, Washington, USA; VU Medical Centre, Amsterdam, The Netherlands, Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, USA; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara, Ankara, Turkey; Toronto Western Hospital, Toronto, Ontario, Canada; Royal National Hospital for Rheumatic Diseases, Bath, UK; Department of Rheumatology, St. Vincent's University Hospital and Conway Institute for Biomolecular Research, University College Dublin, Dublin, Ireland; University of Toronto, Krembil Research Institute, Psoriatic Arthritis Program, University Health Network, Toronto, Ontario, Canada; Quintiles, Duke University School of Medicine, Durham, North Carolina, USA; Sorbonne Universités, UPMC Univ Paris 06, Institut Pierre Louis d'Epidémiologie et de Santé Publique, GRC-UPMC 08 (EEMOIS); AP-HP, Pitié Salpêtrière Hospital, Department of Rheumatology, Paris, France; Cleveland Clinic, Cleveland, Ohio, USA; University of Leeds, Leeds, UK, and Bradford Hospitals National Health Service (NHS) Foundation Trust, Bradford, UK; Division of Immunology, Stanford University, Palo Alto, California, USA; University of Pennsylvania, Philadelphia, Pennsylvania, USA.A.M. Orbai, MD, MHS, Division of Rheumatology, Johns Hopkins University; P.J. Mease, MD, Rheumatology Research, Swedish Medical Center and University of Washington School of Medicine; M. de Wit, PhD, Patient Research Partner, VU Medical Centre; U. Kalyoncu, MD, Division of Rheumatology, Johns Hopkins University and Department of Internal Medicine, Division of Rheumatology, Hacettepe University Ankara; W. Campbell, BEd LLB, Patient Research Partner, Toronto Western Hospital; W. Tillett, BSc, MB, ChB, PhD, MRCP, Royal National Hospital for Rheumatic Diseases; L. Eder, MD, PhD, Toronto We