1. “De Gasperis” Cardio Center, Niguarda Hospital, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy.
2. Cardiology Unit of Emergency Department, Guglielmo da Saliceto Hospital, Piacenza, Italy.
3. Cardiology Unit of Emergency Department, San Benedetto del Tronto Hospital, Ascoli Piceno, Italy.