1. Pediatric Endocrinology (D.L., A.E., V.P., C.E.F., P.E.M.), University Children’s Hospital, Inselspital, CH-3010 Bern, Switzerland
2. Division of Molecular Neuroendocrinology (M.S., I.C.R.), National Institute for Medical Research Mill Hill, London NW7 1AA, United Kingdom
3. Endocrine Research Laboratories (M.B.), Medizinische Klinik-Innenstadt, Ludwig-Maximilians University, 80336 Munich, Germany