1. From the Department of Medicine (L.M.B., M.K., K.T., J.E.F.) and Quantitative Health Sciences (E.M.), University of Massachusetts Medical School, Worcester, MA; Department of Medicine (E.L., M.K., E.O.W., C.D.K., C.A.G., E.J.B.), Section of Infectious Disease (C.A.G.), and Department of Microbiology (C.A.G.), Boston University School of Medicine, MA; NHLBI and Boston University’s Framingham Heart Institute, Framingham, MA (M.G.L., E.J.B.); and Department of Mathematics and Statistics, Boston...