[1] Mahidol Univ, Ramathibodi Hosp, Div Pulm & Crit Care Unit, Dept Med, Bangkok, Thailand
[2] Univ Naples Federico II, Dept Neurosci & Reprod & Odontostomatol Sci, Naples, Italy
[3] Univ Genoa, Dept Surg Sci & Integrated Diagnost, AOU IRCCS San Martino IST, Genoa, Italy