1. From the Division of Cardiovascular Medicine (Q.Z., V.T., L.L., N.L., A.S., M.K.L., N.C.), Department of Internal Medicine, University of California, Davis, Calif; Department of Veterans Affairs (N.C.), Northern California Health Care System, Mather, Calif; Vollum Institute (C.T.B., J.P.A.), Oregon Health and Science University, Portland; and Department of Physiology (Q.Z.), University of Zhengzhou, Henan, People’s Republic of China.