1. Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung, Taiwan.
2. Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
3. Department of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
4. Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
5. Department of Public Health, College of Health Science, Kaohsiung Medical University, Kaohsiung, Taiwan.
6. Infection Control Office, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, Taiwan.
7. Center for Liquid Biopsy and Cohort Research, Kaohsiung Medical University, Taiwan.