1. Department of Environmental and Occupational Health, School of Medicine, Toho University
2. Department of Paediatric Infectious Diseases, Institute of Tropical Medicine, Nagasaki University
3. Department of Environmental Engineering, Kyoto University Graduate School of Engineering
4. Regional Atmospheric Environment Section Center, National Institute for Environmental Studies
5. Department of Preventive Medicine and Public Health, School of Medicine, Keio University
6. Department of Public Health, School of Medicine, University of Occupational and Environmental Health
7. Department of Paediatrics, Graduate School of Biomedical Sciences, Nagasaki University
8. Department of Paediatrics, National Hospital Organization Fukuoka Hospital
9. Department of Paediatrics, Kamigoto Hospital
10. Department of Paediatrics, Isahaya General Hospital
11. Nagasaki Municipal Primary Emergency Medical Center