1. First Department of General, Oncological and Gastrointestinal Surgery Jagiellonian University Medical College Krakow Poland
2. Department of Pathophysiology Jagiellonian University Medical College Krakow Poland
3. Department of Anatomy Jagiellonian University Medical College Krakow Poland
4. Department of Clinical Biochemistry Jagiellonian University Medical College Krakow Poland
5. Department of Histology Jagiellonian University Medical College Krakow Poland