1. Vilnius UniversityInstitute of Clinical MedicineClinic of Chest Diseases, Immunology and Allergology Vilnius Lithuania
2. Vilnius University Hospital Santaros Klinikos Vilnius Lithuania
3. Vilnius UniversityInstitute of Clinical MedicineClinic of Gastroenterology, Nephrourology and SurgeryCentre of Hepatology, Gastroenterology and Dietetics Vilnius Lithuania