1. Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
2. Department of Drug Discovery Sciences, Kitasato Institute for Life Sciences, Kitasato University, 5-9-1 Shirakane, Minato-ku, Tokyo 108-8641, Japan
3. Department of Basic Research, Oriental Medicine Research Center, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8642, Japan