1 Institute of Molecular and Cellular Biology, National Tsing Hua University, Taiwan. Electronic address: hjlo@nhri.edu.tw.
2 Institute of Population Health Sciences, National Health Research Institutes, Miaoli County, Taiwan.
3 National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli County, Taiwan; Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan.
4 National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli County, Taiwan; Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan; School of Dentistry, China Medical University, Taichung, Taiwan.