[1] Med Univ Vienna, Dept Med 1, Vienna, Austria
[2] Med Univ Gdansk, Dept Radiotherapy & Oncol, Gdansk, Poland
[3] Specialised Hosp St Zoerardus Zobor, Dept Oncol, Nitra, Slovakia
[4] Masaryk Univ, Inst Biostat & Anal, CS-60177 Brno, Czech Republic
[5] Univ Clin Golnik, Med Oncol Unit, Golnik, Slovenia
[6] Boehringer Ingelheim Rcv, Med Affairs Dept, Vienna, Austria
[7] Med Univ Graz, Dept Pathol, Graz, Austria
[8] Oncol Inst Maria Sklodowska Curie, Dept Pathol, Krakow, Poland
[9] Natl Inst TB & Lung Dis, Lab Mol Diagnost & Immunol, Warsaw, Poland
[10] Univ Hosp, Dept Pulm Dis & TB, Prague, Czech Republic
[11] Univ Hosp Olomouc, Dept Resp Med, Olomouc, Czech Republic
[12] Univ Hosp Plze, Dept Pulm Dis & TB, Plzen, Czech Republic
[13] Natl Koranyi Inst Pulmonol, Dept 8, Budapest, Hungary
[14] Med Univ, Dept Pneumol Oncol & Allergol, Gdansk, Poland
[15] Adus Healthcare Ctr, Dept Oncol, Bratislava, Slovakia
[16] Med Univ Innsbruck, Dept Med, A-6020 Innsbruck, Austria
[17] Univ Hosp FD Roosevelt, Dept Pneumol, Bratislava, Slovakia
[18] Poznan Univ Med Sci, Dept Oncol, Poznan, Poland