1. School of Medicine, European University Cyprus, 2404 Nicosia, Cyprus
2. Department of Nephrology, Hippokration Hospital, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
3. Department of Therapeutics, Heart Failure and Cardio-Oncology Clinic, National and Kapodistrian University of Athens, 11527 Athens, Greece
4. Unit of Quality Improvement, Department of Cardiothoracic Surgery, University of Thessaly, 41110 Larissa, Greece
5. Department of Surgery and Cancer, Imperial College London, St Mary’s Hospital, London W2 1NY, UK
6. Department of Cardiology, University Hospital of Larissa, 41110 Larissa, Greece