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