1. Department of Education and Support for Regional Medicine, Tohoku University Hospital, Sendai 980-8574, Japan
2. Tohoku Medical Megabank Organization, Tohoku University, Sendai 980-8573, Japan
3. Graduate School of Dentistry, Tohoku University, Sendai 980-8575, Japan
4. Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai 980-8575, Japan
5. Advanced Research Center for Innovations in Next-Generation Medicine, Tohoku University, Sendai 980-8573, Japan
6. Graduate School of Information Sciences, Tohoku University, Sendai 980-8579, Japan
7. Department of Kampo Medicine, Tohoku University Hospital, Sendai 980-8574, Japan
8. R & D Division of Career Education for Medical Professionals, Medical Education Center, Jichi Medical University, Shimotsuke 329-0431, Japan