1. Department of Emergency “Santa Maria della Misericordia”, University Hospital of Udine, Azienda Sanitaria Universitaria Friuli Centrale, 33100 Udine, Italy
2. Department of Emergency, University Hospital of Trieste, Azienda Sanitaria Universitaria Giuliano-Isontina, 34128 Trieste, Italy
3. Department of Emergency Medicine, Community Hospital of Baggiovara (MO), Azienda Ospedaliero-Universitaria di Modena, 41125 Modena, Italy
4. Department of Medicine (DME), University of Udine, 33100 Udine, Italy
5. Department of Pediatrics, Community Hospital of Latisana (UD), Azienda Sanitaria Universitaria Friuli Centrale, 33100 Udine, Italy