1. School of Nursing, University of Trieste, Italy
2. Department of Cardiology, University Hospital, Udine, Italy
3. Emergency Medical Service System, Azienda per i Servizi Sanitari, Trieste, Italy
4. Department of Anesthesia, University Hospital, Udine, Italy
5. Department of Clinical Governance, Agenzia Sanitaria e Sociale Regionale Emilia Romagna, Italy