1. Department of Health Food, Chung Chou University of Science and Technology, Changhua, Taiwan.
2. Department of Internal Medicine, Tungs' Taichung MetroHarbor Hospital, Taichung, Taiwan.
3. Infection Control Office, Tungs' Taichung MetroHarbor Hospital, Taichung, Taiwan.
4. Department of Medical Research, Tungs' Taichung MetroHarbor Hospital, Taichung, Taiwan.
5. Graduate Institute of Veterinary Pathology, College of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan.
6. Institute of Basic Medical Science, School of Medicine, China Medical University and Hospital, Taichung, Taiwan.
7. Department of Microbiology and Immunology, Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan, Taiwan.
8. Department of Nursing, Asia University, Taichung, Taiwan.
9. Department of Microbiology, The Institute of Medical Science, China Medical University Hospital, Taichung, Taiwan.