1. Division of Family Medicine, Department of Family and Community Medicine Tri‐Service GeneralHospital, National Defense Medical Center Taipei Taiwan
2. Division of Occupational Medicine, Department of Family and Community Medicine Tri‐Service General Hospital, National Defense Medical Center Taipei Taiwan
3. Department of Nursing Cardinal Tien Junior College of Healthcare and Management New Taipei City Taiwan
4. National Institute of Environmental Health Sciences National Health Research Institutes Miaoli Taiwan
5. Institute of Environmental and Occupational Health Sciences National Yang‐Ming Chiao Tung University Taipei Taiwan