1. Department of Pediatric Endocrinology (S.C.), Hôpital Armand-Trousseau, Assistance Publique-Hôpitaux de Paris (APHP), Pierre and Marie Curie University, 75012 Paris, France;
2. Department of Pediatrics (J.L.R.), Thomas Jefferson University, Philadelphia, Pennsylvania 19107;
3. Department of Pediatrics (I.F.), Division of Pediatric Endocrinology, Columbia University, New York, New York 10027;
4. Department of Pediatric Endocrinology (C.B.), Hôpital Saint Vincent de Paul, APHP, Paris-Descartes University, 75743 Paris, France;
5. Institute for Endocrine and Metabolic Research (M.R., N.L.), Hôpital Saint Vincent de Paul, APHP, 75014 Paris, France;
6. Department of Hormonology and Metabolic Disorders (N.L.), Hôpital Cochin, APHP, Paris-Descartes University, 75743 Paris, France