1. From the Departments of Geriatrics (Xia Z., X.M., B.Q., Xiao Z., Y.Y., Y.M., Y.C., L.L.) and Anesthesiology (Z.D.), First Affiliated Hospital With Nanjing Medical University, Nanjing, China; Department of Surgery (C.L.), East Tennessee State University, Johnson City, Tenn; Center of Cardiovascular Translational Biomedicine (I.J.B.), University of Utah School of Medicine, Salt Lake City, Utah; Model Animal Research Center (X.G.), Nanjing University, Nanjing, China.