1. Department of General, Gastroenterological and Endocrynological Surgery, K. Marcinkowski University of Medical Sciences, Poznan, Poland
2. Department of Bioinformatics and Computational Biology, Chair of Pathology, Poznan University of Medical Sciences, Poznan, Poland
3. Department of General and Colorectal Surgery, K. Marcinkowski University of Medical Sciences, Poznan, Poland
4. I Chair of Pediatrics, Department of Gastroenterology and Metabolism, K. Marcinkowski University of Medical Sciences, Poznan, Poland
5. Department of Clinical Pathomorphology, K. Marcinkowski University of Medical Sciences, Poznan, Poland