1. Department of Clinical Laboratory Science, Wonkwang Health Science College, Iksan, Korea.
2. Department of Biology, Sunchon National University, Sunchon, Korea.
3. Department of Microbiology, Jenllabukdo Instituite of Health & Environmental Reach, Jeonju, Korea.
4. Vestibulocochlear Research Center, Wonkwang University School of Medicine, Iksan, Korea.
5. Department of Microbiology, Wonkwang University School of Medicine, Iksan, Korea.
6. Division of Biological Sciences, Graduate School, Chonbuk National University, Jeonju, Korea.
7. Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea.