1. Department of Pediatrics (T.S., W.L.M.), University of California, San Francisco, San Francisco, California 94143
2. Department of Pediatrics (T.S.), Chulalongkorn University, 10330 Bangkok, Thailand
3. Division of Endocrinology, Diabetes, and Metabolism (R.E.S.), Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104
4. University Children’s Hospital (M.L.-M.), 8008 Zurich Switzerland
5. Portsmouth Hospitals National Health Service Trust (J.M.W.), Portsmouth PO6 3LY, United Kingdom
6. Clinical and Molecular Genetics Unit (J.C.A.), Developmental Endocrinology Research Group, UCL Institute of Child Health, University College London, London WC1N 1EH, United Kingdom