[1] Univ Genoa, DIMI Dept Internal Med & Med Specialities, IRCCS Policlin San Martino, Genoa, Italy
[2] Karolinska Inst, Div Cardiol, Dept Med, Stockholm, Sweden
[3] Linkoping Univ, Dept Cardiol, Linkoping, Sweden
[4] Linkoping Univ, Dept Hlth Med & Caring Sci, Linkoping, Sweden
[5] Univ Trieste, Azienda Sanit Univ Giuliano Isontina, Trieste, Italy