1. From the Department of Anesthesiology (L.G.K., L.J.G., S.L.B.), the Department of Internal Medicine (N.Q., C.F.B.), and the Department of Pathology (J.E.W.), University of Michigan, Ann Arbor, MI; Institute of Cardiovascular and Medical Sciences (O.J.K., G.L.S.), University of Glasgow, Glasgow, United Kingdom; the Department of Medicine, Division of Geriatric Medicine and Gerontology (S.X.L., P.M.A.), Johns Hopkins University School of Medicine, Baltimore, MD; Animal Breeding and Genomics Centre (P...