1. Division of Cardiology Royal Columbian Hospital New Westminster BC Canada
2. Division of Cardiology University of British Columbia Vancouver Canada
3. Mount Sinai Heart Mount Sinai Medical Center St Luke's Hospital New York NY USA
4. St. Luke’s University Health Network Bethlehem PA USA
5. Mount Sinai Heart Mount Sinai St Luke's Hospital New York NY USA
6. Division of Cardiology Vanderbilt University Medical Center Nashville TN USA
7. Division of Pediatric Cardiac Surgery Vanderbilt University Medical Center Nashville TN USA
8. Division of Cardiology The Johns Hopkins Hospital and Johns Hopkins Children Center Baltimore MD USA
9. Advanced Heart Failure/Transplantation Program Hospital of the University of Pennsylvania Philadelphia PA USA
10. Division of Cardiac Surgery Vanderbilt University Medical Center Nashville TN USA