1. Clinical Department of General Surgery, Pomeranian Medical University in Szczecin, Poland
2. Department of Forensic Medicine Pomeranian Medical University in Szczecin
3. Gastroenterology Ward of St. Luke’s Specialist Hospital in Końskie
4. Department of Genetics and Pathomorphology Pomeranian Medical University in Szczecin
5. Clinical Department of General Surgery Pomeranian Medical University in Szczecin