RT Journal Article SR Electronic T1 Reprint—Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement JF Physical Therapy JO Phys Ther FD American Physical Therapy Association SP 873 OP 880 VO 89 IS 9 A1 Moher, David A1 Liberati, Alessandro A1 Tetzlaff, Jennifer A1 Altman, Douglas G. YR 2009 UL http://jcore-reference.highwire.org/content/89/9/873.abstract AB 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. Copyright © 2009 Moher et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.