1. Division of Pulmonary Medicine, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taiwan
2. School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taiwan
3. Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taiwan
4. Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taiwan
5. School of Public Health, College of Public Health, Taipei Medical University, Taiwan
6. Department of Cosmetic Application and Management, St. Mary’s Junior College of Medicine, Nursing and Management, Taiwan
7. Department of Occupational Safety and Health, College of Public Health, China Medical University, Taiwan