1. Arrhythmia Services, Schulich Heart Centre, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
2. Division of Cardiology, Women’s College Hospital, University of Toronto, Toronto, ON, Canada
3. Arrhythmia Services, Cardiology Department, An-Najah National University Hospital, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine