1. Institute of Biomedical Science and Technology, Konkuk University Hospital, Seoul 143-729, Korea.
2. Department of Biomedical Science and Technology, Research Center for Transcription Control, Konkuk University, Seoul 143-701, Korea.
3. Department of Psychiatry, Clinical Research Institute, Seoul National University Hospital, Seoul National University College of Medicine, Seoul 110-744, Korea.
4. Division of Bioscience and Biotechnology, BMIC, Konkuk University, Seoul 143-701, Korea.