Abstract
1 Department of Microbiology and Immunology, Cancer Research Institute and Liver Research Institute, College of Medicine, Seoul National University, Seoul 110-799, Republic of Korea
2 Korean Institute of Tuberculosis, Korean National Tuberculosis Association, Seoul 137-140, Republic of Korea
3 Department of Biochemistry, College of Medicine, Cheju National University, Jeju, Republic of Korea
4 Department of Microbiology, School of Medicine, Chung Ang University, Seoul, Republic of Korea