1. Cardiac Surgery Unit, Department of Cardiac, Thoracic, and Vascular Sciences, University of Padua, Padua, Italy
2. Department of Cardiovascular Medicine, Vilnius University, Vilnius, Lithuania
3. Department of Thoracic and Cardiovascular Surgery, University Medical Center, Georg-August University, Göttingen, Germany
4. CardioVascular Center Frankfurt CVC, Sankt Katharinen, Frankfurt, Germany
5. Division of Cardiac Surgery, Department of Surgical Sciences, Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
6. Department of Internal Medicine and Cardiology, Medical University of Warsaw, Warsaw, Poland
7. Department of Cardiac Surgery, Medicover Hospital, Warsaw, Poland
8. Department of Cardiovascular Surgery, Sant'Orsola-Malpighi Hospital, Bologna University, Bologna, Italy