1. VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania (R.C., X.Z., F.E.S., J.P.C., J.A.H.)
2. VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, and University of North Carolina School of Pharmacy, Chapel Hill, North Carolina (C.T.T., J.M.T.)
3. VA Pittsburgh Healthcare System and University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania (M.K.M., J.M.D.)
4. VA Pittsburgh Healthcare System and University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania (T.R.R., L.R.H., M.J.F., W.F.G.)
5. University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania; Edward Hines, Jr. VA Hospital and University of Illinois at Chicago College of Pharmacy, Chicago, Illinois (K.J.S.)
6. Edward Hines, Jr. VA Hospital, Chicago, Illinois (K.S.)
7. VA Pittsburgh Healthcare System, University of Pittsburgh School of Medicine, and University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania (J.T.H.)
8. VA Pittsburgh Healthcare System, University of Pittsburgh School of Medicine, and UPMC Health Plan, Pittsburgh, Pennsylvania (C.B.G.)