1. Life Sciences Division, Korea Institute of Science and Technology, 39-1 Hawolgok, Seongbuk, Seoul 136-791, Korea
2. University of Science and Technology, 52, Eoeun, Yuseong, Daejeon 305-333, Korea
3. Center for Neural Science, Korea Institute of Science and Technology, 39-1 Hawolgok, Seongbuk, Seoul 136-791, Korea
4. Functional Proteomics Center, Korea Institute of Science and Technology, 39-1 Hawolgok, Seongbuk, Seoul 136-791, Korea