1. Department of Surgery Klaipeda University Hospital Klaipeda Lithuania
2. Faculty of Medicine, Institute of Clinical Medicine Vilnius University Vilnius Lithuania
3. Health Research and Innovation Science Centre, Faculty of Health Sciences Klaipeda University Klaipeda Lithuania
4. Republican Vilnius University Hospital Vilnius Lithuania
5. Managment of Human Health Activities, Faculty of Health Sciences Klaipeda University Klaipeda Lithuania
6. Faculty of Medicine Vilnius University Vilnius Lithuania
7. Department of Surgical Oncology National Cancer Institute Vilnius Lithuania
8. SMK College of Applied Sciences Vilnius Lithuania