1. Department of Endocrinology and Diabetes (S.R.R., T.J., C.S.Y.C.), Princess Margaret Hospital for Children, Perth, WA 6008, Australia;
2. School of Pediatrics and Child Health (S.R.R., G.B., T.J., C.S.Y.C.), University of Western Australia, Perth, WA 6008, Australia;
3. Diagnostic Imaging (A.B., N.P.), Princess Margaret Hospital for Children, Perth, WA 6008, Australia;
4. Departments of Pathology (A.C.), Perth, WA 6008, Australia;
5. Genetic Services of Western Australia (G.B.), Princess Margaret and King Edward Memorial Hospitals, Perth, WA 6008, Australia;
6. Institute for Immunology and Infectious Diseases (G.B.), Murdoch University, Perth, WA 6008, Australia;
7. Telethon Institute for Child Health Research (T.J.), Perth, WA 6008, Australia;
8. (J.R.P.), Minneapolis, Minnesota;
9. Program in Cancer Genetics, Department of Oncology and Human Genetics (W.D.F.), McGill University, Montreal, QC H3T 1E2, Canada