1. Division of Cardiac Surgery, Department of Surgery, Medical University of Vienna, Waehringer Guertel, 18-20 A-1090 Vienna, Austria
2. Department of Cardiology, The Heart Centre, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
3. German Heart Center, Berlin, Germany
4. National Research Cardiac Surgery Center, Nur-Sultan, Kazakhstan
5. Hannover Medical School, Hannover, Germany
6. Universitatsklinik Freiburg, Freiburg, Germany
7. Department of Cardiothoracic Surgery, Herz- und Diabeteszentrum NRW, Bad Oeynhausen, Germany
8. Manchester University NHS Foundation Trust, Manchester, UK
9. Cardiovascular Surgery, University Hospital of Dusseldorf, Dusseldorf, Germany
10. Heart Transplantation Unit, Leviev Heart Center, Sheba Medical Center and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
11. Abbott, Chicago, IL, USA
12. University Department of Cardiac Surgery, Heart Center Leipzig, Leipzig, Germany