1. Department of Microbiology & Immunology, College of Medicine National Cheng Kung University Tainan Taiwan
2. Center of Infectious Disease and Signaling Research National Cheng Kung University Tainan Taiwan
3. Department of Microbiology and Immunology, College of Medicine Kaohsiung Medical University Kaohsiung Taiwan
4. Department of Pediatrics National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University Tainan Taiwan
5. The Institute of Basic Medical Sciences, College of Medicine National Cheng Kung University Tainan Taiwan