1. Department of Trauma Surgery, Faculty of Medicine, University of P.J. Šafarik, Košice - Slovak Republic
2. 1st Department of Surgery, Faculty of Medicine, University of P.J. Šafarik, Košice - Slovak Republic
3. Department of Vascular Surgery, East Slovak Institute of Cardiovascular Disease, Košice - Slovak Republic
4. 2nd Department of Gynaecology and Obstetrics, Faculty of Medicine, University of P.J. Šafarik, Košice - Slovak Republic
5. Department of Trauma Surgery, Faculty of Health Care, Prešov, Slovak Republic
6. Department of Radiology, University Hospital of L. Pasteur - Slovak Republic