1. From the Cardiovascular Pulmonary Branch (F.A., S.H., Y.W.C., V.M.) and Systems Biology Center (J.S., E.M.), National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD; Departments of Physiology (S.B., J.L., S.M., N.P., P.H.B.) and Medicine (P.H.B.), University of Toronto, Toronto, Ontario, Canada; Division of Cardiology, University Health Network, Toronto, Ontario, Canada (S.M., P.H.B.); Physiology Department, Faculty of Medicine, Suez Canal University, Egypt (S.M.); and...