1. Université Paris Diderot (J.L.), Sorbonne Paris Cité, F-75019 Paris, France;Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Robert Debré, Service d'Endocrinologie Diabétologie Pédiatrique et Centre de Référence des Maladies Endocriniennes Rares de la Croissance, F-75019, Paris, France;Institut National de la Santé et de la Recherche Médicale (INSERM), Unité Mixte de Recherche 676, F-75019
2. Department of Cell Biology and Neurosciences (A.O.), Istituto Superiore di Sanità, 00161 Rome, Italy
3. Child Health Section of Glasgow University School of Medicine (M.D.), Royal Hospital for Sick Children, Yorkhill, Glasgow G3 8SJ, Scotland, United Kingdom
4. Swiss Neonatal Screening Laboratory (T.T.), University Children's Hospital, CH-8032 Zurich, Switzerland
5. Department of Pediatric Endocrinology and Diabetes (H.K.), Charite Children's Hospital, Berlin 10117, Germany
6. Endocrinology Service and Research Center (G.v.V.), Centre Hospitalier Universitaire Sainte-Justine and Department of Pediatrics, University of Montreal, Montreal, Canada H3T 1C5
7. AP-HP, Hôpital Necker Enfants-Malades, Endocrinologie, Gynécologie et Diabétologie Pédiatriques (M.P.), Centre de Référence des Maladies Endocriniennes Rares de la Croissance, Université Paris Descartes, Sorbonne Paris Cité, INSERM, Unité 845, F-75015 Paris, France
8. Department of Paediatric and Adolescent Medicine and Endocrinology (G.B.), University College London Hospital, and University College London Institute of Child Health, London NW1 2PQ, United Kingdom