1. Department of Microbiology and Immunology, and Institute of Endemic Disease; Seoul National University College of Medicine; Seoul; 110-799; Korea
2. Department of Medicinal Biotechnology, College of Natural Resources and Life Science; Dong-A University; Busan; 604-714; Korea
3. School of Mechanical Engineering, SKKU Advanced Institute of Nanotechnology; Sungkyunkwan University; Suwon; 440-746; Korea
4. Biomedical Research Institute; Seoul National University Hospital; Seoul; 110-744; Korea
5. Department of Food Science and Technology; Sejong University; Seoul; 143-747; Korea
6. Department of Toxicological Research, National Institute of Food and Drug Safety Evaluation; Korea Food and Drug Administration; Osong; 363-700; Korea