1. Institute of Clinical Medicine , Faculty of Medicine , Vilnius University , , Vilnius , Lithuania
2. National Center of Pathology , Affiliate of Vilnius University Hospital Santaros Klinikos , Vilnius , Lithuania
3. Faculty of Medicine , Vilnius University , Vilnius , Lithuania
4. Clinic of Chest Diseases , Immunology and Allergology of Faculty of Medicine , Vilnius University , Vilnius , Lithuania
5. Center of Pulmonology and Allergology , Vilnius University Hospital Santaros Klinikos , Vilnius , Lithuania