1. Department of Anesthesia and Intensive Care Medicine; AOU Santa Maria della Misericordia - University of Udine; Udine; Italy
2. Department of Anesthesia and Intensive Care; AOU San Gerardo - University of Milano Bicocca; Monza; Italy
3. Department of Anesthesia and Intensive Care; AOU Santa Maria della Misericordia - University of Perugia; Perugia; Italy
4. Department of Anesthesia and Intensive Care; Azienda Universitaria Ospedaliera ‘Maggiore della Carità’ S.C.D.U.; Novara; Italy
5. Department of Critical Care Medicine; Section of Anesthesiology and Intensive Care; University of Florence; Florence; Italy
6. San Luigi Gonzaga; Azienda Ospedaliero Universitaria; Orbassano, Torino; Italy
7. Department of Anesthesia and Intensive Care Medicine; Fondazione IRCCS Policlinico San Matteo; Pavia; Italy
8. Anesthesia and Intensive Care Unit; Misericordia and Dolce Civil Hospital; Prato; Italy
9. AOU San Martino; Genova; Italy
10. Department of Anesthesia and Intensive Care; AOU - University of Catania; Policlinico Vittorio Emanuele; Catania; Italy
11. Department of Anesthesia and Intensive Care and Hyperbaric Therapy; Vito Fazzi Hospital; Lecce; Italy
12. Department of Anesthesia and Intensive Care; ‘Sapienza Università di Roma’; Rome; Italy