*Department of Medicine, Cambridge Health Alliance, Cambridge
†Department of Medicine, Harvard Medical School
‡Department of Environmental Health, Harvard School of Public Health
♯Osher Institute, Harvard Medical School
**Beth Israel Deaconess Medical Center, Boston, MA
¶World Health Organization, Bonn, Germany
∥Department of Environmental Health, Michigan School of Public Health, Ann Arbor, Michigan
§Department of Health Policy and Management, Harvard School of Public Health, Boston, MA
Sources of support: This study was funded by grant 1RO1 AT00402-01 from the National Center for Complementary and Alternative Medicine (NCCAM) at the National Institutes of Health, Bethesda, MD.
Reprints: Rose H. Goldman, MD, MPH, Cambridge Hospital, Macht Center, Room 427, 1493 Cambridge Street, Cambridge, MA 02139 (e-mail: [email protected]).
Received for publication December 24, 2006; revised September 27, 2007; accepted October 14, 2007