1. Department of Environmental Epidemiology, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan , Kitakyushu, Japan
2. Department of Preventive Medicine and Community Health, School of Medicine, University of Occupational and Environmental Health, Japan , Kitakyushu, Japan
3. Department of Occupational Health Practice and Management, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan , Kitakyushu, Japan
4. Department of Mental Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan , Kitakyushu, Japan
5. Disaster Occupational Health Center, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan , Kitakyushu, Japan
6. Department of Environmental Health, School of Medicine, University of Occupational and Environmental Health, Japan , Kitakyushu, Japan
7. Department of Work Systems and Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan , Kitakyushu, Japan