1. Optipharm, Inc., Wonju Eco Environmental Technology Center, Wonju, Korea
2. Department of Laboratory Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
3. Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University, Wonju, Korea
4. Department of Microbiology, International Tuberculosis Research Center, Changwon, Korea