1. VA Evidence Synthesis Program, VA Portland Health Care System and Oregon Health & Science University, Portland, Oregon (K.M., K.K.K., S.S., D.K.)
2. VA Evidence Synthesis Program, VA Portland Health Care System, Portland, Oregon (C.K.A., S.Y., J.A., S.V.)
3. Social Behavioral Research Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland (S.M.A.)
4. Oregon Health & Science University, Portland, Oregon (H.S., M.R.)
5. Oregon Health & Science University–Portland State University School of Public Health, Portland, Oregon (M.S.).