1. Department of Environmental Epidemiology, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu City, Japan
2. Finnish Institute of Occupational Health, Helsinki, Finland
3. Centre for Health Policy Research and Development, National Health Research Institutes, Taiwan
4. Japan Occupational Safety and Health Resource Centre, Tokyo, Japan
5. Department of Work, Systems, and Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu City, Japan
6. Department of Environmetrics and Biometrics, Hiroshima University, Hiroshima, Japan
7. Department of Environmental Epidemiology, Liaoning Provincial Centre for Disease Prevention and Control, Shenyang, People’s Republic of China
8. U.S. National Institute for Occupational Safety and Health, Washington, DC, USA