1. 1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw, Poland
2. Department of Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
3. 2nd Department of Anesthesia and Intensive Care, Medical University of Warsaw, Warsaw, Poland
4. Department of Perioperative Medicine, Barts Heart Centre and St. Bartholomew’s Hospital, London, UK
5. Department of General, Vascular and Transplant Surgery, Medical University of Warsaw, Warsaw, Poland