1Division of Emergency Medicine and Cardiology, Department of Internal Medicine, Ospedale Civile di Livorno, viale Alfieri 36, 57100 Livorno, Italy. nimumoli@tiscali.it
0Division of Emergency Medicine and Cardiology, Department of Internal Medicine, Ospedale Civile di Livorno, viale Alfieri 36, 57100 Livorno, Italy. nimumoli@tiscali.it