1. Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine
2. Department of Gastroenterology, Kosekai Takeda Hosptal
3. Department of Gastroenterology, Kyoto First Red Cross Hospital
4. Department of Gastroenterology, Aiseikai Yamashina Hospital
5. Department of Gastroenterology, Kyoto Saiseikai Hospital
6. Graduate School of Computer Science and Engineering, The University of Aizu