1. Diabetes Unit, Massachusetts General Hospital, Boston, MA
2. Department of Medicine, Harvard Medical School, Boston, MA
3. Division of Gastroenterology, Department of Medicine, Massachusetts General Hospital, Boston, MA
4. Whitehead Institute for Biomedical Research, Cambridge, MA
5. Medical Practice Evaluation Center, Department of Medicine, Massachusetts General Hospital, Boston, MA
6. Department of Biostatistics, Department of Medicine, Massachusetts General Hospital, Boston, MA
7. Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA
8. Mongan Institute, Massachusetts General Hospital, Boston, MA
9. Department of Health Care Policy, Harvard Medical School, Boston, MA
10. Department of General Internal Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
11. Boston Children’s Hospital, Boston, MA