1. From the VA Eastern Colorado Health Care System, Denver, CO (T.M.M., M.A.S., C.O., M.E.P., S.M.B., P.M.H., T.T.T., J.S.R.); University of Colorado School of Medicine, Denver, CO (T.M.M., M.A.S., C.O., M.E.P., S.M.B., P.M.H., T.T.T., J.S.R.); Kaiser Permanente Colorado, Denver, CO (T.T.T.); Jesse Brown VA Medical Center, Chicago, IL (A.R.S., B.S.); and Veterans Health Administration, U.S. Department of Veterans Affairs, Washington, DC (R.J.J.).