1. Division of Anatomy, Department of Human Morphology and Embryology, Faculty of Medicine, Wroclaw Medical University, Poland
2. Department and Clinic of Gastrointestinal and General Surgery, Wroclaw Medical University, Poland
3. Faculty of Medicine and Health Sciences, The University of Zielona Gora , Poland
4. Specialist Hospital for People with Mental Disorders in Ciborz , Poland
5. Department of Anthropology, Wroclaw University of Environmental and Life Sciences, Poland