1. Department of Applied Biological Chemistry and Graduate School of Science and Technology; Niigata University; Ikarashi 2-8050, Nishi-ku Niigata 950-2181 Japan
2. Institute of Molecular Medicine; National Cheng-Kung University; Tainan City 704-56 Taiwan, ROC
3. Center of Infectious Disease and Signal Transduction; College of Medicine; National Cheng-Kung University; Tainan City 704-56 Taiwan, ROC