1. Department of Cardiac Surgery Medical University of Vienna Vienna Austria
2. Department of Cardiac Surgery and Heart Transplantation San Camillo Forlanini Hospital Rome Italy
3. Department of Cardiac Surgery IRCSS Policlinico San Donato Milan Italy
4. Cardio‐Thoracic Surgery Unit, Heart and Vascular Centre, Maastricht University Medical Centre (MUMC) Cardiovascular Research Institute Maastricht (CARIM) Maastricht The Netherlands
5. Cardiac Surgery Unit, Lancisi Cardiovascular Center Polytechnic University of Marche Ancona Italy
6. Department of Cardiac Surgery University Heart Center of Zurich Zurich Switzerland
7. Cardiac Surgery Unit Ospedale Fatenefratelli Sacco Milano Italy
8. Department of Translational Medical Sciences, Unit of Cardiac Surgery, V Monaldi Hospital University of Campania "L. Vanvitelli" Campania Italy
9. Cardiac Surgery Unit University Hospital of Udine Udine Italy
10. Department of Cardiovascular, Respiratory, Nephrological, Anesthesiological, and Geriatric Sciences Sapienza University Rome Italy
11. Cardiac Surgery Unit Poliambulanza Foundation Hospital Brescia Italy
12. Prince Sultan Cardiac Center Ryiadh Saudi Arabia
13. Pasquinucci Heart Hospital G. Monasterio Foundation Massa Italy