1. From the Department of Physiology (A.M., J.Y., J.T.K., M.S., H.D., M.H.N.-A., S.H., M.H., D.L., S.B.), Heart and Stroke/Richard Lewar Centre of Excellence for Cardiovascular Research (S.H., M.H., S.B.), and Department of Medicine (M.H.), University of Toronto; Division of Cell and Molecular Biology, Toronto General Hospital Research Institute (A.M., M.H.N.-A., M.H.); and Toronto Centre for Microvascular Medicine, University of Toronto, and Li Ka Shing Knowledge Institute at St Michael's Hospital (D...