[1] Natl Canc Inst, Thorac Surg & Oncol, Vilnius, Lithuania
[2] Vilnius Univ Hosp, Santaros Klin, Ctr Pulmonol & Allergol, Vilnius, Lithuania
[3] Vilnius Univ, Clin Internal Dis Family Med & Oncol, Fac Med, Vilnius, Lithuania
[4] Natl Canc Inst, Lab Canc Epidemiol, Vilnius, Lithuania