Affiliation: | Division of Cardiology (Petropoulos) and Department of Medicine (Rooprai), University of Toronto, Toronto, Ont.; Division of Cardiology (Kotowycz), Department of Medicine, Royal Victoria Regional Health Centre, Barrie, Ont.; Division of Cardiology (Madan), Schulich Heart Centre, Sunnybrook Health Sciences Centre, Department of Medicine, University of Toronto, Toronto, Ont. |