1 Student Research Group No. 180, Faculty of Medicine, Wroclaw Medical University, Wrocław, Poland; Division of Histology and Embryology, Department of Human Morphology and Embryology, Wroclaw Medical University, Wrocław, Poland. klambrinow@gmail.com
2 Department of Surgery, 4th Military Teaching Hospital, Wrocław, Poland
3 Division of Anaesthesiological and Surgical Nursing, Department of Nursing and Obstetrics, Faculty of Health Science, Wroclaw Medical University, Wrocław, Poland
4 Student Research Group No. 180, Faculty of Medicine, Wroclaw Medical University, Wrocław, Poland
5 Department of Clinical and Experimental Pathology, Faculty of Medicine, Wroclaw Medical University, Wrocław, Poland
6 Department of Pathomorphology, 4th Military Teaching Hospital, Wrocław, Poland