1. Department of Internal Medicine, Tungs’ Taichung MetroHarbor Hospital, Taichung, Taiwan, ROC
2. Department of Health Food, Chung Chou University of Science and Technology, Changhua, Taiwan, ROC
3. The Institute of Medical Science and Department of Microbiology, China Medical University, Taichung, Taiwan, ROC
4. Infection Control Office, Tungs’ Taichung MetroHarbor Hospital, Taichung, Taiwan, ROC
5. Department of Medical Technology, Jen-The Junior College of Medicine, Nursing and Management, Miaoli, Taiwan, ROC
6. Department of Medical Research, Tungs’ Taichung MetroHarbor Hospital, Taichung, Taiwan, ROC
7. Section of Infectious Diseases, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan, ROC
8. The Institute of Biomedical Sciences College of Medicine, China Medical University, Taichung, Taiwan, ROC