1. Neuroendocrine Unit, Department of Medicine Massachusetts General Hospital and Harvard Medical School Boston Massachusetts USA
2. Division of Endocrinology Boston Children's Hospital and Harvard Medical School Boston Massachusetts USA
3. Eating Disorders Clinical and Research Program, Department of Psychiatry Massachusetts General Hospital and Harvard Medical School Boston Massachusetts USA
4. Department of Radiology Massachusetts General Hospital and Harvard Medical School Boston Massachusetts USA
5. Division of Pediatric Endocrinology Massachusetts General Hospital and Harvard Medical School Boston Massachusetts USA