1 Anaesthesia and Intensive Care, Department of Surgical Sciences and Integrated Diagnostics, San Martino Policlinico Hospital, IRCCS for Oncology, Genoa, Italy. Electronic address: ppelosi@hotmail.com.
2 Anaesthesia and Intensive Care, Department of Surgical Sciences and Integrated Diagnostics, San Martino Policlinico Hospital, IRCCS for Oncology, Genoa, Italy.
3 Anaesthesia and Intensive Care, San Martino Policlinico Hospital IRCCS for Oncology, Genoa, Italy.
4 Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University, Naples, Italy.