[1] Dept Paediat, Magdeburg, Germany
[2] Ludwig Maximilians Univ Munchen, Childrens Hosp, Pediat Endocrinol, Munich, Germany
[3] Univ Leipzig, Childrens Hosp, Pediat Endocrinol, Leipzig, Germany
[4] Johannes Kepler Univ Linz, Dept Paediat, Linz, Austria
[5] Univ Cologne, Fac Med, Dept Pediat, Cologne, Germany
[6] Univ Hosp Cologne, Cologne, Germany
[7] Tech Univ Dresden, Univ Klinikum, Childrens Hosp, Pediat Endocrinol, Dresden, Germany
[8] Childrens Ctr Johannispl, Leipzig, Germany
[9] Ctr Hosp & Univ Coimbra, Paediat Endocrinol Diabet & Growth Unit, Hosp Pediat, Coimbra, Portugal
[10] Cent German Competence Network Rare Dis MKSE, Magdeburg, Germany
[11] Univ Med Ctr Hamburg Eppendorf, Int Ctr Lysosomal Storage Dis, Hamburg, Germany
[12] Schon Clin Vogtareuth, Paediat Orthopaed, Vogtareuth, Germany
[13] Saarland Univ Homburg, Childrens Hosp, Pediat Endocrinol, Homburg, Germany
[14] Univ Childrens Hosp, Munster, Germany
[15] Charite Univ Med Berlin, Ctr Chronically Sick Children, Pediat Endocrinol, Berlin, Germany
[16] Univ Cologne, Fac Med, Cologne, Germany
[17] Univ Hosp Cologne, Dept Pediat, Cologne, Germany
[18] Ctr Hosp & Univ Coimbra, Med Genet Unit, Hosp Pediat, Coimbra, Portugal
[19] Josefinum Augsburg, Childrens Hosp, Pediat Endocrinol, Augsburg, Germany
[20] Friedrich Alexander Univ Erlangen, Childrens Hosp, Erlangen, Germany
[21] Univ Freiburg, Childrens Hosp, Pediat Genet, Freiburg, Germany