1 St. Francis - Emory Healthcare, Columbus, Georgia, USA.
2 McGill University Health Centre, Montreal, Quebec, Canada.
3 Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada.
4 Schulich Heart Centre, Division of Cardiology, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.
5 Division of Cardiology, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
6 Division of Cardiology, Royal Jubilee Hospital, University of British Columbia, Victoria, British Columbia, Canada; Victoria Heart Institute Foundation, Victoria, British Columbia, Canada.
7 Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, Québec, Canada.
8 Victoria Heart Institute Foundation, Victoria, British Columbia, Canada.
9 McGill University Health Centre, Montreal, Quebec, Canada; Georgia Heart Institute, Northeast Georgia Medical Center, Gainesville, Georgia, USA. Email: [email protected].