1. Department of General and Transplantation Surgery, Pomeranian Medical Academy, Powstanców Wielkopolskich 72, 70-111 Szczecin, Poland
2. Department of Experimental and Clinical Pharmacology, Pomeranian Medical Academy, Powstanców Wielkopolskich 72, 70-111 Szczecin, Poland
3. Department of Histology and Embryology, Pomeranian Medical Academy, Powstanców Wielkopolskich 72, 70-111 Szczecin, Poland