1. Research Institute for Nanodevices, Hiroshima University,Japan
2. Nagoya Institute of Technology,Department of Computer Science,Japan
3. Medical Corporation JR Hiroshima Hospital,Department of Gastroenterology,Japan
4. Hiroshima University Hospital,Department of Gastroenterology and Metabolism,Japan
5. JA Onomichi General Hospital,Department of Gastroenterology,Japan