1. Graduate Institute of Life Sciences, National Defense Medical Center, National Defense University
2. North District Branch Office, Center for Disease Control, Department of HealthExecutive Yuan
3. Institute of Occupational Safety and HealthCouncil of Labor AffairsExecutive Yuan
4. College of Public Health, National Taiwan University
5. School of Public Health, National Defense Medical CenterNational Defense University
6. Division of Environmental Health and Occupational MedicineNational Health Research Institutes
7. Institute of Occupational Safety and Health, Kaoshiung Medical UniversityTaiwanR.O.C.