1. Metabolism Unit Massachusetts General Hospital and Harvard Medical School Boston MA USA
2. Yale School of Medicine New Haven CT USA
3. Department of Radiology Massachusetts General Hospital and Harvard Medical School Boston MA USA
4. Translational and Clinical Research Center Massachusetts General Hospital Boston MA USA
5. Biostatistics Unit Massachusetts General Hospital and Harvard Medical School Boston MA USA
6. Pediatric Endocrine Division Massachusetts General Hospital and Harvard Medical School Boston MA USA
7. Neuroendocrine Unit Massachusetts General Hospital and Harvard Medical School Boston MA USA