1. Department of Integrated OMICS for Biomedical Sciences, Graduate School, Yonsei University, Seoul 120-749, Korea, Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon 446-746, Korea, Department of Dermatology, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul 135-710, Korea, and Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 120-749, Korea