1. Department of Anesthesiology and Emergency Sciences-Emergency Medicine Division, Policlinico Gemelli/IRCCSUniversity of Catholic of Sacred Heart, Rome, Italy
2. Department of Anesthesia and Critical Care Medicine - Critical Care Medicine Division, St. Antonio and Biagio Hospital, Alessandria, Italy
3. Department of Sensory Organs, Sapienza University of Rome, Italy
4. Department of Anesthesia and Intensive Care Medicine-Maggiore della Carita Teaching Hospital, Novara, Italy
5. Department of Emergency Medicine, Anesthesia and Critical Care Medicine, Michele and Pietro Ferrero Hospital, Verduno, Italy