[1] Aldo Moro Univ Bari, Bari Policlin Univ Hosp, Cardiothorac Dept, Resp & Crit Care Unit, Bari, Italy
[2] Aldo Moro Univ Bari, Dept Basic Med Sci Neurosci & Sense Organs, Sect Resp Dis, Bari, Italy
[3] Univ Catania, Dept Clin & Expt Med, Catania, Italy
[4] Univ Insubria, Dept Med & Surg, Varese Como, Italy
[5] ICS Maugeri IRCCS, Pavia, Italy
[6] Univ Messina, Dept Human Pathol Adult & Evolut Age Gaetano Barr, Div Anesthesia & Intens Care, Policlin G Martino, Messina, Italy
[7] CNR, CNR, IPCF, Inst Chem Phys Proc, Messina, Italy
[8] S Donato Hosp, Pulmonol & Resp Intens Care Unit, Arezzo, Italy
[9] Univ Bari Aldo Moro, Bari Policlin Univ Hosp, Cardiothorac Dept, Resp & Crit Care Unit, Piazza G Cesare, I-70121 Bari, Italy
[10] Univ Bari Aldo Moro, Dept Basic Med Sci Neurosci & Sense Organs, Sect Resp Dis, Piazza G Cesare, I-70121 Bari, Italy