1. From the Departments of Cardiothoracic Surgery (C.H.M., M.J.P., J.T.L., D.A.S.), Cardiothoracic Anesthesiology (L.W.A.), and Cardiology (H.K.), Rigshospitalet, Copenhagen University Hospital; Department of Cardiology, Gentofte Hospital, Copenhagen University Hospital (J.K.M.); and Copenhagen Trial Unit, Center for Clinical Intervention Research, Rigshospitalet, Copenhagen University Hospital (C.H.M., P.W., C.G.), Copenhagen, Denmark.