The authors gratefully acknowledge the following individuals for their contributions to this project and deeply appreciate their considerable support, commitment, and contributions: Aysegul Gozu, M.D., M.P.H., our AHRQ Task Order Officer; Jennifer Croswell, M.D., M.P.H., our PCORI Senior Program Officer; Jennie Bowen, M.P.H., our PCORI Program Officer; John Williams, M.D., M.H.S., our Associate Editor; Loraine Monroe, our publications specialist; Sharon Barrell, M.A., our editor; Carol Woodell, B.S.P.H., our project manager; Charli Randolph, B.A., who assisted with data abstraction, data accuracy checking, and full-text article retrieval; Claire Baker, who assisted with data accuracy checking and full-text article retrieval; Cassandra J. Barnhart, M.P.H., who assisted with full-text article retrieval; Ursula Griebler, Ph.D., M.P.H., who helped assign risk of bias ratings to our included studies; Christina Kien, M.A., who helped assign risk of bias ratings to our included studies; Gernot Wagner, M.D., who provided instruction to Mr. Coker-Schwimmer on using data visualization software to read figure-only study data and reviewed data retrieved this way; and Laurie Leadbetter, M.S.L.S., and Christiane Voisin, M.S.L.S., who provided library services.