1. Unit of Hormonal and Reproduction Research, INSERM U-135, and Laboratory of Hormonology, and Molecular Biology, Bicetre Hospital (M.M., G.M., S.P., I.B., H.L., A.J., E.M.), 94275 Le Kremlin Bicetre
2. Pediatric Endocrinology Service, Saint Vincent de Paul Hospital (C.B., P.B.), 75674 Paris
3. Pediatric Endocrinology Service, Necker Hospital for Sick Children (R.R.), 75743 Paris, France