1. Institute for Clinical and Translational Science, Nara Medical University, Kashihara, Japan
2. Health Administration Center, Saga Medical School Faculty of Medicine, Saga University, Saga, Japan
3. Health Service, The University of Shimane, Izumo, Japan
4. Health Center, Hyogo Medical University, Nishinomiya, Japan
5. Education and Research Center for Community Medicine, Faculty of Medicine, Saga University, Saga, Japan
6. Nursing and Dietetics Department, The University of Shimane, Izumo, Japan
7. Sakanishi Internal Medicine and Pediatrics Clinic, Omuta, Japan
8. Department of Public Health, Hyogo Medical University, Nishinomiya, Japan
9. Department of Clinical Epidemiology, Hyogo Medical University, Nishinomiya, Japan