[1] Univ Athens, Sch Med, Attikon Univ Hosp, Pulm Dept 2, Athens 11528, Greece
[2] Sotiria Hosp Chest Dis, Pulm Dept 7, Athens, Greece
[3] Univ Athens, Sch Med, Sotiria Hosp Chest Dis, Dept Resp Dis 1, Athens 11528, Greece
[4] Sotiria Hosp Chest Dis, Pulm Dept 6, Athens, Greece
[5] Acad Athens, Biomed Res Fdn, Ctr Basic Res 2, Genom Res Unit, Athens, Greece
[6] Acad Athens, Biomed Res Fdn, Ctr Basic Res 2, Prote Res Unit, Athens, Greece