1. School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
2. Division of Pulmonary Medicine, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
3. Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
4. Department of Environmental Engineering and Science, Feng Chia University, Taichung, Taiwan
5. Department of Occupational Safety and Health, College of Public Health, China Medical University, Taichung, Taiwan
6. Graduate Institute of Environmental Engineering, National Taiwan University, Taipei, Taiwan
7. National Heart and Lung Institute, Imperial College London, London, UK
8. JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China
9. Division of Pulmonary Medicine, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
10. Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
11. School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan
12. Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
13. Cell Physiology and Molecular Image Research Center, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan