1. Facoltá di Medicina e ChirugiaUniversity of Bari “Aldo Moro”Bari Italy
2. Faculty of MedicineUniversity of TorontoToronto Ontario Canada
3. Department of SurgeryDivision of Cardiac Surgery, McMaster UniversityHamilton Ontario Canada
4. Department of MedicineMcMaster UniversityHamilton Ontario Canada
5. Population Health Research InstituteHamilton Ontario Canada
6. School of Medicine, Faculty of Medicine and Health SciencesRoyal College of Surgeons in IrelandDublin Ireland
7. Department of Health Research Methods, Evidence, and ImpactMcMaster UniversityHamilton Ontario Canada
8. Department of Cardiothoracic SurgeryLeiden University Medical CenterLeiden Netherlands
9. Department of Cardiothoracic SurgeryEmory UniversityAtlanta Georgia
10. Section of Cardiothoracic SurgeryIndiana University School of MedicineIndianapolis Indiana
11. Department of Surgery, Division of Cardiac Surgery, London Health Sciences CentreWestern UniversityLondon Ontario Canada
12. Division of Cardiac SurgerySt. Michael's Hospital, University of TorontoToronto Ontario Canada
13. Division of Cardiac Surgery, Peter Munk Cardiac CenterUniversity of TorontoToronto Ontario Canada
14. Department of Emergency and Organ Transplant, Division of Cardiac Surgery and Santa Maria Hospital, GVM Care & ResearchUniversity of Bari “Aldo Moro”Bari Italy
15. Division of Cardiac SurgeryMontreal Heart Institute, Université de MontréalMontreal Quebec Canada