1. Division of General Medicine and Primary Care, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.
2. Samueli Institute, Alexandria, VA.
3. Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA.
4. Department of Population Medicine, Harvard Medical School, Boston, MA.
5. Group Health Research Institute, Seattle, WA.
6. The Osher Center for Integrative Medicine, Brigham and Women's Hospital, Boston, MA.
7. Alpert Medical School, Brown University, Providence, RI.