1. Department of Cardiac Sciences, Libin Cardiovascular Institute, University of Calgary, AB, Canada (L.Y.L., D.S.C., W.L., E.I., R.S.S., P.T.P., S.R.R.).
2. Duke Clinical Research Institute, Duke University, Durham, NC (D.S.C.).
3. Department of Medicine, Queen Elizabeth II Health Sciences Center, Dalhousie University, Halifax, NS, Canada (Z.M.).
4. Department of Medicine, Humanitas Clinical and Research Center, IRCCS, Humanitas University, Rozzano, Italy (R.F.).
5. Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (S.R.R).