1. Department of Biology, Kangwon National University, Chuncheon 200-701, Korea.
2. Department of Pharmacy, Catholic University, Daegu 712-702, Korea.
3. Department of Biochemistry, Kangwon National University, Chuncheon 200-701, Korea.
4. Infectious Signaling Network Research Center, Department of Physiology, School of Medicine, Chungnam National University, Daejeon 301-747, Korea.
5. Department of Anesthesiology and Pain Medicine, Yonsei University Wonju College of Medicine, Wonju 220-701, Korea.