1 Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand.
2 Graduate School of Science and Engineering, Yamaguchi University, Yamaguchi 753-8511, Japan.
3 Department of Veterinary & Biomedical Sciences, College of Agriculture & Biological Sciences, South Dakota State University, Brookings, SD 57006, USA.
4 Center of Infectious Disease and Signaling Research, National Cheng Kung University, Tainan 701, Taiwan.