1. Department of Internal Medicine, College of Natural Sciences, Gyeongsang National University, Jinju, Korea.
2. Gyeongsang Institute of Health Science, Jinju, Korea.
3. Department of Microbiology, College of Natural Sciences, Gyeongsang National University, Jinju, Korea.
4. Department of Biochemistry, College of Natural Sciences, Gyeongsang National University, Jinju, Korea.