1. Department of Endocrinology and Metabolism (U.U., M.F.E., R.E., S.Güll.), Ankara University School of Medicine, 06100 Ankara, Turkey
2. Departments of Medicine (C.S., S.R.), Chicago, Illinois 60637
3. Pediatrics (S.R.), Chicago, Illinois 60637
4. Committee on Genetics (S.R.), The University of Chicago, Chicago, Illinois 60637
5. Department of Endocrinology (S.Güld.), Trakya University Faculty of Medicine, 22030 Edirne, Turkey