1 Cardiac Surgery Unit, Cardio-Thoraco-Vascular and Public Health Department, Padova University Hospital, Italy (G.G., N.P., V.T., T.L., D. Pittarello).
2 Division of Cardiac Surgery, Department of Surgery, Dentistry, Pediatrics and Gynecology, University of Verona, Italy (G.B.L., F.O., A.G., L.G.).
3 Department of Critical Care, Anesthesiology and Intensive Care Unit, Ca'Foncello Hospital, Treviso, Italy (P.Z.).
4 Cardiac Surgery Division, Surgical Sciences Department, Città della Salute e della Scienza, University of Turin, Italy (M.B., M.Z., M.M., M.R.).
5 Division of Cardiac Surgery, S. Orsola University Hospital, ALMA Mater Studiorum University of Bologna, Italy (S.M.S., L.B., D. Pacini).
6 Department of Cardiac Surgery and Heart Transplantation, San Camillo Hospital, Rome, Italy (P.L.d.M., M.F.).
7 Cardio Center De Gasperis, Cardiothoracovascular Department, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy (G.M.O., C.F.R.).
8 Cardiothoracic Department, ASST Papa Giovanni XXII, Bergamo, Italy (A.T.).
9 National Transplant Center, Health Superior Institute, Rome, Italy (A.O., G.F., M.C.).