1. Institute of Basic Medical Sciences College of Medicine National Cheng Kung University Tainan Taiwan
2. Department of Biochemistry and Molecular Biology College of Medicine National Cheng Kung University Tainan Taiwan
3. Institute of Oral Medicine College of Medicine National Cheng Kung University Tainan Taiwan
4. Department of Microbiology and Immunology College of Medicine National Cheng Kung University Tainan Taiwan