1. Division of Cardiovascular Surgery, Department of Surgery University of British Columbia Vancouver British Columbia Canada
2. Division of Cardiac Surgery, Department of Surgery University of Maryland School of Medicine Baltimore Maryland USA
3. Adventist White Oak Medical Center Silver Spring Maryland USA
4. Department of Cardiothoracic and Vascular Surgery University of Texas Health Science Center Houston, McGovern Medical School Houston Texas USA
5. Section of Cardiac Surgery, Department of Surgery, Max Rady College of Medicine University of Manitoba, St. Boniface Hospital Winnipeg Manitoba Canada
6. Section of Cardiac Surgery, Department of Surgery University of Chicago Medicine Illinois USA
7. Department of Cardiothoracic Surgery Stanford University Palo Alto California USA
8. Division of Cardiac Surgery Orange Coast Memorial Medical Centers Fountain Valley California USA
9. Division of Cardiac Surgery Queen's University, Kingston Ontario Canada
10. Division of Cardiothoracic Surgery, East Carolina University, Brody School of Medicine Greenville North Carolina USA
11. Division of Cardiac Surgery Western University, London Ontario Canada
12. Division of Cardiothoracic Surgery Methodist Heart Hospital San Antonio San Antonio Texas USA
13. Division of Cardiovascular and Thoracic Surgery UTMB‐Galveston Galveston Texas USA
14. Heart and Vascular Program, Baystate Health Springfield Massachusetts USA
15. Division of Cardiac Surgery ThedaCare Appleton Heart Institute Appleton Wisconsin USA
16. Division of Cardiac Surgery, Royal Jubilee Hospital, Vancouver Island Health Authority University of British Columbia Victoria British Columbia Canada
17. Division of Cardiac Surgery MedStar Union Memorial Hospital Baltimore Maryland USA
18. Division of Cardiac Surgery Université de Montréal, Department of Cardiac Surgery‐ Montréal University Hospital Centre (CHUM) Montreal Quebec Canada
19. Division of Cardiovascular Surgery, Department of Surgery University of British Columbia, Kelowna General Hospital Kelowna British Columbia Canada
20. Schulich Heart Centre Sunnybrook Health Sciences Centre, University of Toronto Toronto Ontario Canada
21. Department of Surgery Yale University New Haven Connecticut USA
22. Department of Cardiothoracic Surgery Franciscan Health Heart Center Indianapolis IN USA
23. Department of Cardiothoracic Surgery Weill Cornell Medicine New York NY USA
24. Department of Thoracic Surgery Vanderbilt University Medical Center Nashville Tennessee USA
25. Division of Cardiac Surgery, Department of Surgery Brigham and Women's Hospital, Harvard Medical School Boston Massachusetts USA
26. Section of Cardiac Surgery, Department of Cardiac Sciences, Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary Calgary Alberta Canada
27. Division of Cardiac Surgery, Department of Surgery Beth Israel Deaconess Medical Center and Harvard Medical School Boston Massachusetts USA
28. Department of Cardiovascular Surgery Memorial Heart and Vascular Institute, Memorial Care Long Beach Medical Center Long Beach California USA
29. Division of Cardiothoracic Surgery UC Davis Medical Center Sacramento California USA
30. Division of Cardiothoracic Surgery Medical College of Georgia at Augusta University Augusta Georgia USA
31. Division of Cardiac Surgery New Brunswick Heart Center, Dalhousie University Saint John New Brunswick Canada
32. Division of Cardiac Surgery Swedish Heart and Vascular Institute Seattle Washington USA
33. Division of Cardiac Surgery, Department of Surgery Mazankowski Alberta Heart Institute, University of Alberta Edmonton Alberta Canada
34. Division of Cardiac Surgery, Department of Surgery Bluhm Cardiovascular Institute, Northwestern University Chicago Illinois USA
35. Division of Cardiac Surgery Penrose‐St Francis Health Services Colorado Springs Colorado USA
36. Department of Cardiac Surgery Vanderbilt University Medical Center Nashville Tennessee USA
37. Division of Cardiothoracic Surgery, Department of Surgery Washington University School of Medicine, Barnes‐Jewish Hospital St. Louis Missouri USA
38. Division of Cardiovascular Surgery Peter Munk Cardiac Centre, Toronto General Hospital and University of Toronto Toronto Ontario Canada
39. Department of Cardiovascular and Thoracic Surgery, University of Texas Southwestern Medical Center Dallas Texas USA
40. Division of Cardiac Surgery Institut de Cardiologie de Montreal, Universite de Montreal Montreal Quebec Canada
41. Department of Cardiovascular Surgery Texas Heart Institute Houston Texas USA
42. Division of Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery Baylor College of Medicine Houston Texas USA
43. Department of Cardiothoracic Surgery DeBakey Heart and Vascular Center, Houston Methodist Hospital Houston Texas USA
44. Department of Cardiothoracic Surgery Valley Health System – Heart and Vascular Center, Winchester Medical Center Winchester VA USA
45. Division of Cardiothoracic Surgery, Department of Surgery University of Kentucky Lexington Kentucky USA
46. Division of Cardiothoracic Surgery, Department of Surgery Cardiovascular Research Center, Rhode Island Hospital, Alpert Medical School of Brown University Providence Rhode Island USA
47. Department of Cardiovascular Surgery Mayo Clinic Rochester Minnesota USA
48. Division of Cardiac Surgery Lankenau Medical Center Wynnewood Pennsylvania USA
49. Division of Cardiothoracic Surgery Spectrum Health, Michigan State University College of Human Medicine Grand Rapids Michigan USA
50. Division of Cardiac Surgery, Department of Surgery Johns Hopkins University School of Medicine Baltimore Maryland USA
51. Department of Cardiovascular and Thoracic Surgery WakeMed Health and Hospitals Raleigh North Carolina USA
52. Division of Cardiac Surgery, Department of Surgery University of British Columbia, Royal Columbian Hospital New Westminster British Columbia Canada
53. Division of Cardiac Surgery St. Michael's Hospital, University of Toronto Toronto Ontario Canada
54. Division of Cardiovascular Surgery, Department of Surgery University of British Columbia, St. Paul's Hospital Vancouver British Columbia Canada
55. Division of Cardiothoracic Surgery, Department of Surgery Medical University of South Carolina Charleston South Carolina USA