1. From the Department of Cardiothoracic and Vascular Surgery and Institute of Experimental Clinical Research, Aarhus University Hospital, Skejby Sygehus, Aarhus, Denmark (S.L.N., J.M.H.); the Department of Cardiothoracic Surgery, Stanford University School of Medicine, Stanford, Calif (T.A.T., G.R.G., P.D., G.T.D., N.B.I., D.C.M.); the Division of Cardiology, University of California San Francisco (A.F.B.); and the Laboratory of Cardiovascular Physiology and Biophysics, Research Institute, Palo Alto...