1. Department of Cardiology, ‘Guglielmo da Saliceto’ Hospital , Via Taverna 49, 29121 Piacenza , Italy
2. Prevention and Rehabilitation Unit, IRCCS Fondazione Don Gnocchi , Piazzale dei Servi 3, 43100 Parma , Italy
3. Department of Cardiology, Baggiovara General Hospital , Via Pietro Giardini 1355, 41126 Baggiovara , Italy
4. Abcardio , Via Sebastiano Serlio 26, 40128 Bologna , Italy
5. Emergency Department, ‘Guglielmo da Saliceto’ Hospital , Via Taverna 49, 29121 Piacenza , Italy
6. Department of Medicine and Surgery, University of Parma , Via Gramsci, 14, 43126 Parma , Italy