1. Endocrinology Service and Research Center (J.D., G.V.V.), Sainte-Justine Hospital and Department of Pediatrics, University of Montreal, Montreal, Canada H3T 1C5
2. Pediatric Endocrinology (N.P., J.P.), Children’s Hospital of Johannes Gutenberg University, D-55101 Mainz, Germany
3. Department of Pediatrics (J.-M.V.), University Children’s Hospital, University of Bern, CH-3010 Bern, Switzerland
4. Interdisciplinary Research Institute for Human and Molecular Biology (J.P., G.V.), Faculty of Medicine, and Department of Genetics, Erasme Hospital, Free University of Brussels, B-1070 Brussels, Belgium
5. Department of Pediatrics, and Department of Pathology (S.B.), Children’s Hospital of Johannes Gutenberg University, D-55101 Mainz, Germany