1. Department of Cardiovascular Diseases, University Hospital Centre Zagreb, University of Zagreb, Zagreb, Croatia
2. Department of Cardiac Surgery, University Department of Health Studies, University of Split, UHC Zagreb, Split, Croatia
3. Department of Anesthesiology, University Clinical Hospital Center Zagreb, University of Zagreb, Zagreb, Croatia
4. Department of Cardiac Surgery, University Hospital Center Zagreb, University of Zagreb, Zagreb, Croatia
5. Andrija Stampar Teaching Institute of Public Health, Zagreb, Croatia
6. Department of Thoracic Surgery, Sestre Milosrdnice University Hospital Center, Zagreb, Croatia
7. Department of Cardiac Surgery, University Clinical Hospital Center Zagreb, University of Zagreb, Zagreb, Croatia