1 Anesthesia and Intensive Care, Rianimazione I, Fondazione IRCCS Policlinico S. Matteo, DEA piano -1, Viale Golgi 19, 27100, Pavia, Italy. silvia.mongodi@libero.it.
2 Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, Unit of Anesthesia and Intensive Care, University of Pavia, Pavia, Italy.
3 Anesthesia and Intensive Care, Rianimazione I, Fondazione IRCCS Policlinico S. Matteo, DEA piano -1, Viale Golgi 19, 27100, Pavia, Italy.
4 Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, 27100, Pavia, PV, Italy.