[1] Grande Osped Metropolitano, GOM, AO Bianchi Melacrino Morelli, Cardiol Dept, Reggio Di Calabria, Italy
[2] ASL Roma 1, San Filippo Neri Hosp, Clin & Rehabil Cardiol Dept, Rome, Italy
[3] Mauriziano Hosp, Cardiol Dept, Turin, Italy
[4] Univ Campania L Vanvitelli, UOC Cordiol, Naples, Italy
[5] Univ Campania L Vanvitelli, Osped Monaldi, UTIC Pediat, AORN Colli, Naples, Italy
[6] Giovanni Paolo II Hosp, Cardiol Unit, Lamezia, Italy
[7] St Anna & San Sebastiano Hosp, Cardiovasc Dept, Caserta, Italy
[8] Meyer Hosp, Dept Pediat Cardiol, Florence, Italy
[9] Osped St Croce & Carle, Cardiol Unit, Cuneo, Italy
[10] Maastricht Univ Hosp, Cardiothorac Dept, Maastricht, Netherlands
[11] ASST Grande Osped Metropolitano Niguarda, Cardiol Unit, Milan, Italy
[12] Garibaldi Nesima Hosp, Cardiol Dept, Catania, Italy