1. Fetal Cardiology Unit, Department of Pediatrics, CHU Sainte-Justine; University of Montreal; Québec Canada
2. Division of Pediatric Cardiology, Department of Pediatrics, CHU Sainte-Justine; University of Montreal; Québec Canada
3. Division of Pediatric Cardiology, Department of Pediatrics, CHU Sherbrooke; University of Sherbrooke; Sherbrooke Canada
4. Electrophysiology Unit, Department of Pediatrics, CHU Sainte-Justine; University of Montreal; Québec Canada