1. Pediatric Endocrinology Unit (G.P., R.M., R.R.), 75015 Paris, France
2. General Pediatric Unit (V.A.), 75015 Paris, France
3. Department of Radiology (J.B.), Foundation Rothschild, 75019 Paris, France
4. Department of Pediatric Endocrinology (S.C., I.N.), Armand Trousseau Hospital, A.P.H.P., U.P.M.C., Institut National de la Santé et de la Recherche Médicale U 515, 75012 Paris, France
5. Department of Genetics (J.A., S.L.), Necker-Enfants Malades Hospital, 75015 Paris, France
6. Pediatric Radiology Unit (L.H.-P.), 75015 Paris, France
7. Department of Pediatrics (A.M.B.), Besançon Hospital, 25030 Besançon, France