1. Department of Biochemistry and Molecular Biology, Korea University College of Medicine, Seoul 136-701, Korea.
2. Division of Brain Korea 21 Program for Biomedical Science, Korea University College of Medicine, Seoul 136-701, Korea.
3. Genomic Research Center for Lung and Breast/Ovarian Cancers, Korea University College of Medicine, Seoul 136-701, Korea.
4. Section of Hemato-Oncology, Department of Internal Medicine, Korea University College of Medicine, Seoul 136-701, Korea.