1. Institute of Occupational Medicine and Industry Hygiene; National Taiwan University College of Public Health; Taipei Taiwan
2. Department of Internal Medicine; National Taiwan University Hospital and National Taiwan University College of Medicine; Taipei Taiwan
3. Department of Integrated Diagnostics and Therapeutics; National Taiwan University Hospital; Taipei Taiwan
4. Department of Emergency Medicine; Taichung Veterans General Hospital; Taichung Taiwan
5. School of Medicine; Chung Shan Medical University; Taichung Taiwan
6. Department of Public Health; National Taiwan University College of Public Health; Taipei Taiwan
7. Environmental and Occupational Medicine; National Taiwan University Hospital and National Taiwan University College of Medicine; Taipei Taiwan