1. Department of Biopathology and Medical Biotechnologies (DIBIMED); Section of Anesthesia, Analgesia, Intensive Care and Emergency. Policlinico P. Giaccone, University of Palermo; Palermo Via del vespro 129 Palermo 90147 Italy
2. Department of Anesthesiology, Perioperative Care and Intensive Care; “S.S. Annunziata” Hospital, “Gabriele d'Annunzio” University of Chieti-Pescara; Chieti Italy