1. Developmental Endocrinology Research Group (L.C.G., T.K., M.J.M., M.T.D.), Clinical and Molecular Genetics Unit, University College London Institute of Child Health, London WC1N 1EH, United Kingdom
2. Departments of Endocrinology (E.F.G.), London WC1N 3JH, United Kingdom
3. Department of Pediatrics (J.B.), Kent and Canterbury Hospital, Canterbury CT1 3NG, United Kingdom
4. Radiology (K.C.), Great Ormond Street Hospital for Children, London WC1N 3JH, United Kingdom
5. Clinical Genetics Department (D.J.J.), Guy's Hospital, London SE1 9RT, United Kingdom
6. Unidad de Endocrinologia Pediatrica (M.C.), Hospital Universitario Son Espases, 07120 Palma de Mallorca, Spain
7. Department of Molecular Genetics (F.B.), Centre Hospitalier Universitaire de Poitiers, BP 577-86021 Poitiers Cedex, France