[1] Univ Pavia, Dept Internal Med & Med Therapeut, Med Sch, Pavia, Italy
[2] IRCCS San Matteo Polyclin Hosp, Cardiothorac & Vasc Dept, Unit Resp Dis, Pavia, Italy
[3] Univ Pavia, Dept Clin Surg Diagnost & Pediat Sci, Med Sch, Pavia, Italy
[4] IRCCS San Matteo Polyclin Hosp, Dept Diagnost Serv & Imaging, Unit Radiol, Pavia, Italy
[5] IRCCS San Matteo Polyclin Hosp, Dept Internal Med & Med Therapeut, Unit Resp Dis, I-27100 Pavia, Italy