1. Department of Gastroenterology Mazda Hospital Mazda Motor Corporation Hiroshima Japan
2. Department of Gastroenterology and Metabolism Graduate School of Biomedical and Health Science Hiroshima University Hiroshima Japan
3. Department of Epidemiology, Infectious Disease Control and Prevention Graduate School of Biomedical and Health Sciences Hiroshima University Hiroshima Japan
4. Health and Welfare Division Hiroshima Prefectural Government Research Center Hiroshima Japan
5. Clinical Research Unit of Nanoro Institute for Health Science Research Nanoro Burkina Faso
6. Payment Certification Agency (PCA) Ministry of Health Phnom Penh Cambodia
7. General Affairs Foundation for Community Health and Medicine Promotion in Hiroshima Prefecture Hiroshima Japan
8. Department of Nursing Faculty of Nursing Gifu Kyoritsu University Ogaki Japan
9. Collaborative Research Laboratory of Medical Innovation Hiroshima University Hiroshima Japan