1. Department of Occupational Health Practice and ManagementInstitute of Industrial Ecological Sciences, University of Occupational and Environmental HealthJapan
2. Health CenterUniversity of Occupational and Environmental HealthJapan
3. Department of Public HealthSchool of Medicine, University of Occupational and Environmental HealthJapan
4. Occupational Health Training CenterUniversity of Occupational and Environmental HealthJapan
5. Hitachi Health Care CenterHitachi, LtdJapan
6. Personnel DepartmentKumagai Gumi Co., LtdJapan
7. Department of Preventive Medicine and Public HealthSchool of Medicine, Keio UniversityJapan
8. Department of Mental HealthInstitute of Industrial Ecological Sciences, University of Occupational and Environmental HealthJapan
9. Department of Radiological Health Science Institute of Industrial Ecological SciencesUniversity of Occupational and Environmental HealthJapan
10. Department of Work Programs and HealthInstitute of Industrial Ecological Sciences, University of Occupational and Environmental HealthJapan
11. Genki Plaza Medical Center for Health CareJapan
12. Division of Infection Control and PreventionUniversity of Occupational and Environmental HealthJapan
13. Health Administration CenterBusiness Solution Company, Tokyo Electric Power Company HoldingsJapan
14. The Ohara Memorial Institute for Science of LabourJapan