1. Department of Continuity of Care and Disability, Physical Medicine and Rehabilitation IRCCS Azienda Ospedaliero‐Universitaria di Bologna, St. Orsola University Hospital Bologna Italy
2. Department of Cardiac‐Thoracic and Vascular Diseases, Cardiac Surgery and Transplantation IRCCS Azienda Ospedaliero‐Universitaria di Bologna, St. Orsola University Hospital Bologna Italy
3. Division of Cardiac Surgery Thomas Jefferson University Philadelphia Pennsylvania USA