1 Department of Thoracic Surgery and Oncology, National Cancer Institute, Vilnius, Lithuania. Electronic address: vaidagedvilaite@yahoo.com.
2 Centre of Pulmonology and Allergology, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania; Clinic of Chest Diseases, Immunology, and Allergology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania.
3 Department of Thoracic Surgery and Oncology, National Cancer Institute, Vilnius, Lithuania; Clinic of Internal Diseases, Family Medicine, and Oncology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania.
4 National Cancer Institute, Laboratory of Cancer Epidemiology, Vilnius, Lithuania; Department of Public Health, Institute of Health Sciences, Vilnius University, Vilnius, Lithuania.