Institution: | 1.BK21 Graduate Program, Department of Bioscience and Biotechnology/Institute of Bioscience, Sejong University, Seoul 143-747, Korea, 2.Great Neck South High School, Great Neck, NY 11020, USA, 3.BK21 Graduate Program, Department of Life Science, University of Seoul, Dongdaemungu, Jeonnongdong 90, Seoul 130-743, Korea and 4.BK21 Graduate Program, Department of Molecular Biology, Dankook University, Gyeonggi-do 448-701, Korea |