1. 1 SKN (Students Scientific Society) Anatomia-Klinika-Nauka. Department of Human Morphology and Embryology, Division of Anatomy , Wroclaw Medical University , Wroclaw , Poland
2. 2 Department of Human Morphology and Embryology, Division of Anatomy , Wroclaw Medical University , Wroclaw , Poland
3. 3 Medicard AS, Halden , Norway
4. 4 Rivnenskiy Regional Hospital , Rivne , Ukraine