1. Department of Basic Medical Science, National Institute for Minamata Disease
2. Graduate School of Environmental and Symbiotic Science, Prefectural University of Kumamoto
3. General Planning Department, National Hospital of Dermatology and Venereology, Vietnam
4. Department of Epidemiology and Preventive Medicine, Kagoshima University Graduate School of Medical and Dental Sciences
5. Department of Environmental Science and Epidemiology, National Institute for Minamata Disease