1. Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
2. Department of Applied Biology, College of Agriculture & Life Sciences, Chungnam National University, Daejeon 34134, Korea
3. Department of Biosystems and Bioengineering Program, KRIBB School of Biotechnology, University of Science and Technology (UST), Daejeon 34113, Korea