1. Department of Medical and Clinical Biochemistry, Faculty of Medicine, Pavol Jozef Šafárik University, 040 11 Košice, Slovakia
2. Second Department of Surgery, Faculty of Medicine, Pavol Jozef Šafárik University, 040 11 Košice, Slovakia
3. Imuna Pharm, a.s., Šarišské Michaľany, 082 22 Presov, Slovakia