1. Heart and Lung Center, Helsinki University Hospital, Helsinki, Finland
2. Research Unit of Surgery, Anesthesia and Critical Care, University of Oulu, Oulu, Finland
3. Department of Radiology, Medical Imaging Center, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
4. Department of Cardiac Surgery, Anesthesia and Intensive Care, Clinica Montevergine, GVM Care and Research, Mercogliano, Italy
5. Department of Cardiac Surgery, San Carlo of Nancy Hospital, GVM Care and Research, Rome, Italy