1. Department of Biochemistry, Medical School and Diabetes Research Center, Chonbuk National University, Jeonju, Jeonbuk, Korea
2. Department of Microbiology, Medical School and Diabetes Research Center, Chonbuk National University, Jeonju, Jeonbuk, Korea
3. Department of Pathology, Medical School and Diabetes Research Center, Chonbuk National University, Jeonju, Jeonbuk, Korea
4. Department of Physiology, School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, Korea