Editor's Note: PTJ's Editorial Board has adopted PRISMA to help PTJ better communicate research to physical therapists. For more, read Chris Maher's editorial starting on page 870. Membership of the PRISMA Group is provided in the Acknowledgments. This article has been reprinted with permission from the Annals of Internal Medicine from Moher D, Liberati A, Tetzlaff J, Altman DG, The PRISMA Group. Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement. Ann Intern Med. Available at: http://www.annals.org/cgi/content/full/151/4/264. The authors jointly hold copyright of this article. This article has also been published in PLoS Medicine, BMJ, Journal of Clinical Epidemiology, and Open Medicine.
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