[1] Univ Pavia, Internal Med & Therapeut, Pavia, Italy
[2] Asl Teramo, Cardiol Unit, Teramo, Italy
[3] Univ Perugia, Dept Cardiol & Cardiovasc Physiopathol, Perugia, Italy
[4] Univ Pavia, Internal Med, Pavia, Italy
[5] Spedali Civili Brescia, Dept Cardiol, Brescia, Italy
[6] Osped Angelo Bellini, Div Internal Med, Somma Lombardo, Italy
[7] Poliambulanza Fdn, Cardiol unit, Brescia, Italy
[8] Presidio Osped Gavardo, Cardiol Unit, Gavardo, Italy
[9] IRCCS San Raffaele Pisana, Lab Cardiovasc Endocrinol, Rome, Italy
[10] IRCCS Policlin San Matteo, Internal Med & Therapeut, Pavia, Italy