1. 2nd Surgery Department, Louis Pasteur University Hospital in Košice, Košice, Slovakia
2. Faculty of Medicine, Pavol Jozef Šafárik University in Košice, Košice, Slovakia
3. Department of Radiodiagnostics and Imagine Techniques, Louis Pasteur University Hospital in Košice, Košice, Slovakia
4. 1st Department of Surgery, Louis Pasteur University Hospital in Košice, Košice, Slovakia