From the *Department of Anesthesia and Pain Medicine, University of California, Davis Medical Center, Sacramento, California, †Department of Health Services, University of Washington, Seattle, Washington, ‡Center for Health Studies, Group Health Cooperative, Seattle, Washington, §Department of Family Medicine, University of Washington, Seattle, Washington, ∥Northwest Institute of Acupuncture and Oriental Medicine, Seattle, Washington, and ¶Department of Epidemiology, University of Washington, Seattle, Washington.
Received for publication September 8, 2002; revised December 16, 2002 and November 23, 2003; accepted February 12, 2004.
This study was supported by a Minority Supplement to a grant cofunded by the agency for Healthcare Research and Quality and the National Center for Complementary and Alternative Medicine (grant no. HS09989).
Reprints: Donna Kalauokalani, MD, MPH, Department of Anesthesia and Pain Medicine, University of California, Davis Medical Center, Ambulatory Care Center, 4860 Y Street, Suite 3200, Sacramento, CA 95817 (e-mail: [email protected]).