1. Infectious Signaling Network Research Center and Research Institute for Medical Sciences, Department of Physiology, School of Medicine, Chungnam National University, 6 Munhwa-dong, Jung-gu, Daejeon 301-747, Korea.
2. Unigen Inc., Cheonan, Chungnam 330-863, Korea.
3. Life Science Research Institute, Univera Inc., Seoul 133-120, Korea.
4. Basic Herbal Medicine Research Group, Korea Institute of Oriental Medicine, Daejeon 305-811, Korea.