1. From the Medical University of South Carolina, Charleston (T.N.T., B.M.E., M.F.L.-V., K.L.H., M.F.C., M.R.S., A.S., M.I.C.); Emory University, Atlanta, GA (M.J.L., A.N., B.L, N.-A.L., W.V.B.,); Atlanta VAMC, Decatur, GA (N.-A.L, W.V.B.); University of British Columbia, Vancouver, Canada (O.B.); University of Texas Health Science Center at San Antonio (C.L.W.); Dartmouth Medical School, Hanover, NH (N.V.); Washington University, St. Louis, MI (C.P.D.); State University of New York at Stony Brook (D.F...