1. Department of Abdominal Surgery and Oncology, National Cancer Institute , Vilnius , Lithuania
2. Clinic of Gastroenterology, Nephrourology and Surgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University , Vilnius , Lithuania
3. Centre for Visceral Medicine and Translational Research, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University , Vilnius , Lithuania
4. Department of Medical Oncology, National Cancer Institute , Vilnius , Lithuania
5. Clinic of Cardiac and Vascular Diseases, Institute of Clinical Medicine of the Faculty of Medicine, Vilnius University , Vilnius , Lithuania
6. Department of Rehabilitation, Physical and Sports Medicine, Institute of Health Sciences, Faculty of Medicine, Vilnius University , Vilnius , Lithuania
7. Centre of Hepatology, Gastroenterology, and Nutrition, Vilnius University Hospital Santaros Klinikos , Vilnius , Lithuania
8. National Cancer Institute , Vilnius , Lithuania