1. Division of Endocrinology, Metabolism and Nutrition, Mayo Clinic, Rochester, Minnesota.
2. Endocrinology and Metabolism Division, Walter Reed Army Medical Center, Washington, District of Columbia.
3. Division of Endocrinology, The Johns Hopkins University School of Medicine, Baltimore, Maryland.
4. Endocrine Division, Harvard Vanguard Medical Associates, Boston, Massachusetts.
5. Endocrinology Clinic, St Mary's Hospital, Grand Junction, Colorado.
6. Division of Endocrinology, North Shore University Hospital, Manhassett, New York.
7. Department of Endocrinology, Aarhus University Hospital, Aalborg, Denmark.
8. Department of Radiology, Division of Nuclear Medicine, Stanford University School of Medicine, Stanford, California.
9. Department of Pediatrics, Section of Developmental Endocrinology and Biology, Yale University Child Health Research Center, New Haven, Connecticut.
10. Massachusetts General Hospital, Boston, Massachusetts.
11. Division of Endocrine Surgery, Yale University School of Medicine, New Haven, Connecticut.