1. Institut National de la Santé et de la Recherche Médicale (H.A.M.M., L.M., M.L.), Unité 693, Faculté de Médecine Paris-Sud, 94276 Le Kremlin-Bicêtre, France
2. Departments of Pharmacology and Toxicology (H.A.M.M., J.C.L.M.P., R.M.), The Netherlands
3. Departments of Pediatrics and Growth and Regeneration (E.N.L., K.A.), 3000 Leuven, Belgium
4. PremUP Foundation (L.M., M.L.), 75014 Paris, France
5. Center for Human Genetics (K.D.), University Hospitals Leuven and Katholieke Universiteit Leuven, 3000 Leuven, Belgium
6. Physiology (L.A.H.M.), Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands