1 Department of Cardiac Surgery, Istituto di Ricerca e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS-ISMETT), Palermo, Italy.
2 Department of Anesthesia and Intensive Care, Istituto di Ricerca e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS-ISMETT), Palermo, Italy.
3 Department of Cardiac Surgery, Klinikum, Braunschweig, Germany.
4 Department of Cardiac Surgery, Nepal Mediciti Hospital, Kathmandu, Nepal.
5 Department of Cardiothoracic Surgery, Heart and Vascular Centre, Maastricht University Medical Centre, Maastricht, The Netherlands.