1. Division of Urology, Department of SurgeryTri‐Service General HospitalTaiwanR.O.C.
2. Department of Public HealthNational 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, Council of Labor Affairs and China Medical University and HospitalTaiwanR.O.C.
5. Department of Family Medicine & Internal MedicineTri‐Service General Hospital, National Defense Medical CenterTaiwanR.O.C.