1 Department of Medicine, Faculty of Medicine, Université de Montréal, Montreal, Quebec, Canada; Research Center, Montreal Heart Institute, Montreal, Quebec, Canada.
2 Department of Medicine, Faculty of Medicine, Université de Montréal, Montreal, Quebec, Canada; Research Center, Montreal Heart Institute, Montreal, Quebec, Canada; Institute of Pharmacology, West German Heart and Vascular Center, Faculty of Medicine, University Duisburg-Essen, Essen, Germany; IHU Liryc and Fondation Bordeaux Université, Bordeaux, France. Electronic address: Stanley.Nattel@icm-mhi.org.