1. Department of Cardiology, Aarhus University Hospital, Aarhus, Denmark;
2. Centre for Cardiovascular Surgery and Transplantation, Brno, Czech Republic;
3. Department of Cardiac, Thoracic and Vascular Surgery, German Heart Institute, Berlin, Germany;
4. DZHK (German Centre for Cardiovascular Research), Berlin, Germany;
5. Clinic for Thoracic and Cardiovascular Surgery, Heart and Diabetes Center NRW, Ruhr University Bochum, Bad Oeynhausen, Germany;
6. Department of Adult Cardiac Surgery, National Research Center for Cardiac Surgery, Astana, Kazakhstan;
7. Institute for Clinical and Experimental Medicine (IKEM), Prague, Czech Republic;
8. University Medical Center Utrecht, Utrecht, The Netherlands;
9. Department of Public Health, Section for Biostatistics, Aarhus University, Aarhus, Denmark;
10. EUROMACS, European Registry for Patients with Mechanical Circulatory Support, EACTS, Windsor, UK