1. Community Medicine Education Unit, Graduate School of Medical SciencesKyushu University Fukuoka Japan
2. Department of General Internal MedicineKyushu University Hospital Fukuoka Japan
3. Department of General Medicine and Emergency CareToho University School of Medicine, Omori Hospital Tokyo Japan
4. Center for Frontier Medical Engineering, Chiba University Chiba Japan
5. Department of Japanese Oriental (Kampo) MedicineGraduate School of Medicine, Chiba University Chiba Japan