Affiliation: | a Department of Biological Sciences, Institute of Molecular Biology and Genetics, and Research Center for Functional Cellulomics, Seoul National University, San 56-1, Shillim-dong, Kwanak-gu, Seoul, 151-742, Korea b Department of Anatomy and Cell Biology, College of Medicine, Hanyang University, Seoul 133-791, Korea c Department of Pathology, College of Medicine, Hanyang University, Seoul 133-791, Korea |