1. Institute of Basic Medical Sciences, National Cheng Kung University, Tainan, Taiwan, Republic of China
2. Departments of Microbiology and Immunology, National Cheng Kung University, Tainan, Taiwan, Republic of China
3. Department of Urology, National Cheng Kung University, Tainan, Taiwan, Republic of China
4. Environmental and Occupational Health, National Cheng Kung University, Tainan, Taiwan, Republic of China
5. Department Pathology, National Cheng Kung University, Tainan, Taiwan, Republic of China