1. University of Minnesota and Minneapolis VA Health Care System, Minneapolis, Minnesota (H.A.F., R.M., K.E.E., K.U., B.C.T., T.J.W.)
2. University of Minnesota, Minneapolis, Minnesota (M.L.F., C.E.R., V.A.N., M.B., C.M.O., M.B.)
3. University of Minnesota, Minneapolis, and HealthPartners, Bloomington, Minnesota (J.T.S.)