1. Department of Anesthesiology and Intensive Care AOU Policlinico Vittorio Emanuele Catania Catania Italy
2. Department of Anesthesia and Intensive Care IRCCS‐ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione) Palermo Italy
3. School of Anaesthesia and Intensive Care University Hospital “G. Rodolico”, University of Catania Catania Italy