1. School of Nano & Advanced Materials Science, Bio-Nano-Information Tech. R/D Center and RIGET, Gyeongsang National University, Jinju 660-701, South Korea
2. Department of Anatomy, Institute of Health Science and School of Medicine, Gyeongsang National University, Jinju 660-751, South Korea
3. Department of Pharmacology, Kyungpook National University Medical School, Daegu 700-422, South Korea
4. Department of Chemical & Biological Engineering, Gyeongsang National University, Jinju 660-701, South Korea
5. Toxicological Research Division, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Osong 363-700, South Korea