1. Emergency Department, AUSL Romagna, Presidio Ospedaliero Morgagni-Pierantoni, 47121 Forlì, Italy
2. Department of Biomedical Sciences, IRCCS Humanitas Research Hospital, 20089 Milano, Italy
3. Unit of Emergency Medicine, Ospedale San Paolo, 17121 Savona, Italy
4. Emergency Department, AUSL Romagna, Ospedale M. Bufalini, 47521 Cesena, Italy
5. Struttura Complessa di Medicina di Emergenza Urgenza, Ospedale Maria Vittoria, ASL Città di Torino, 10144 Torino, Italy