21 authors at 4 institutions in 2 countries.
Charlotte A HeinenDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Monique LosekootDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Yu SunDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Peter J WatsonDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Louise FairallDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Sjoerd D JoustraDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Nitash Zwaveling-SoonawalaDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Wilma OostdijkDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Erica L T van den AkkerDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Mariëlle AldersDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Gijs W E SantenDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Rick R van RijnDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Wouter A DreschlerDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Olga V SurovtsevaDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Nienke R BiermaszDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Raoul C HennekamDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Jan M WitDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
John W R SchwabeDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Anita BoelenDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
Eric FliersDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.
A S Paul van TrotsenburgDepartment of Endocrinology and Metabolism (C.A.H., O.V.S., A.B., E.F.), Clinical Genetics (M.A.), and Clinical and Experimental Audiology (W.A.D.), Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Paediatric Endocrinology (C.A.H., N.Z.-S., A.S.P.v.T.), Radiology (R.R.v.R.), and Paediatrics (R.C.H.), Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands; Departments of Clinical Genetics (M.L., Y.S., G.W.E.S.), Paediatrics (S.D.J., W.O., J.M.W.), and Endocrinology and Metabolism (S.D.J., N.R.B.), Leiden University Medical Centre, 2300 RC Leiden, The Netherlands; Henry Wellcome Laboratories of Structural Biology (P.J.W., L.F., J.W.R.S.), Department of Molecular and Cell Biology, University of Leicester, Leicester LE1 7RH, United Kingdom; and Department of Paediatric Endocrinology (E.L.T.v.d.A.), Erasmus Medical Centre, 3000 CB Rotterdam, The Netherlands.