1. Anesthesiology, Critical Care and Pain Medicine Division, Department of Medicine and Surgery, University of Parma, Parma, Italy
2. Department of Anesthesia, Intensive Care and Prehospital Emergency, Maggiore Hospital Carlo Alberto Pizzardi, Bologna, Italy
3. Department of Anesthesia and Intensive Care, Infermi Hospital, Romagna Local Health Authority, Rimini, Italy
4. Anesthesia and Pain Medicine. Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Baronissi, Italy