1. 1st Department of Cardiac Surgery, Henry Dunant Hospital , Athens, Greece
2. Department of Cardiac Surgery, Lankenau Heart Institute, Lankenau Medical Center, Main Line Health , Wynnewood, PA, USA
3. Department of Surgery, Leonard M. Miller School of Medicine, University of Miami , Miami, FL, USA
4. Benetti Foundation , Rosario, Argentina
5. Department of Cardiac Surgery, Bristol Heart Institute, University of Bristol , Bristol, UK
6. Department of Cardiovascular Surgery, Faculty of Medical Science, University of Pernambuco , Recife, Brazil
7. Department of Cardiothoracic Surgery, Cardio-Thoracic Surgery Unit, Heart and Vascular Centre, Maastricht University Medical Centre (MUMC), Cardiovascular Research Institute Maastricht (CARIM) , Maastricht, The Netherlands
8. Department of Cardiology, Pierangeli Hospital , Pescara, Italy
9. Nuffield Department of Surgical Sciences, University of Oxford, John Radcliffe Hospital , Oxford, UK
10. Department of Cardiothoracic Surgery, Weill Cornell Medicine , New York, NY, USA
11. Department of Cardiovascular Surgery, Mount Sinai Hospital and Icahn School of Medicine at Mount Sinai , New York, NY, USA