1. Institut National de la Santé et de la Recherche Médicale, Unité-468 (J.P., S.A.), Hôpital Henri Mondor, 94010 Créteil, France;
2. Division of Pediatric Endocrinology (J.G.-H., M.B., U.H.), University Children’s Hospital, D-69120 Heidelberg, Germany;
3. Division of Endocrinology, Department of Internal Medicine (C.J.S.), 10117 Berlin, Germany