1. Department of SurgeryTri‐Service General HospitalTaiwanR.O.C.
2. Department of Public Health, National Defense Medical CenterTaiwanR.O.C.
3. Division of Environmental Health and Occupational MedicineNational Health Research InstitutesTaiwanR.O.C.
4. Institute of Occupational Safety and Health, Kaohsiung Medical UniversityTaiwanR.O.C.
5. Institute of Occupational Safety and Health, Council of Labor AffairsTaiwanR.O.C.
6. Graduate Institute of Environmental Health, China Medical UniversityTaiwanR.O.C.
7. Graduate Institute of Environmental & Occupational Health, National Cheng Kung University Medical CollegeTaiwanR.O.C.
8. Department of Family Medicine & Community HealthTri‐Service General Hospital, National Defense Medical CenterTaiwanR.O.C.