Affiliation: | 1. Department of General and Endocrynologic Surgery, and Gastroenterologic Oncology, Poznań University of Medical Sciences, Poznań, Poland;2. Department of Gastroenterology, Human Nutrition, and Internal Medicine, Poznań University of Medical Sciences, Poznań, Poland;3. Department of Computer Science and Statistics, Poznań University of Medical Sciences, Poznań, Poland |