Department of Medicine, McGill University, Montreal, Quebec, Canada. Department of Medicine, McGill University, Montreal, Quebec, Canada; Division of Clinical Epidemiology, Lady Davis Institute for Medical Research, Jewish General Hospital/McGill University, Montreal, Quebec, Canada; Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec, Canada. Division of Clinical Epidemiology, Lady Davis Institute for Medical Research, Jewish General Hospital/McGill University, Montreal, Quebec, Canada. Department of Medicine, McGill University, Montreal, Quebec, Canada; Division of Clinical Epidemiology, Lady Davis Institute for Medical Research, Jewish General Hospital/McGill University, Montreal, Quebec, Canada; Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec, Canada; Division of Cardiology, Jewish General Hospital/McGill University, Montreal, Quebec, Canada. Electronic address: mark.eisenberg@mcgill.ca.