Affiliation: | 1. Oregon Health and Science University, 3181 SW Sam Jackson Park Rd, Mail Code FM, Portland, OR, 97239, USA 2. University of Washington, Seattle, WA, USA 3. Rush University Medical Center, Chicago, IL, USA 4. George Washington University, Washington, DC, USA 5. Stanford University, Stanford, CA, USA 6. Johns Hopkins University, Baltimore, MD, USA 7. Northwestern University, Evanston, IL, USA 8. VA Pittsburgh Healthcare System and University of Pittsburgh, Pittsburgh, PA, USA 9. Palmer College of Chiropractic, Davenport, IA, USA 10. National Center for Complementary and Alternative Medicine, Bethesda, MD, USA 11. Musculoskeletal and Skin Diseases, National Institute for Arthritis, Bethesda, MD, USA 12. New England Baptist Hospital, Roxbury Crossing, MA, USA 13. Dartmouth University, Hanover, NH, USA 14. Group Health Research Institute, Seattle, WA, USA
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