1. Environmental Conservation Division, Environmental Affairs Bureau, Department of the Environment and Residential Life, Kumamoto Prefectural Government
2. Faculty of Advanced Science and Technology, Kumamoto University
3. Public Health Emergency Management Division, Department of Health and Welfare, Kumamoto Prefectural Government
4. Institute of Environmental Analysis,Nodaichi-Denshi Corporation
5. Public Hygiene and Pharmaceutical Division, Health Bureau, Department of Health and Welfare, Kumamoto Prefectural Government