1. Institute of Public Health, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
2. Centers for Disease Control, Taipei, Taiwan
3. Department of Internal Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
4. Division of Pulmonary and Critical Care Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
5. Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
6. Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
7. Research Center for Humanities and Social Sciences, Academia Sinica, Taipei, Taiwan