1. Natural
Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 30-Yeongudanji-ro, Ochang-eup, Cheongwon-gun, Chungbuk 363-883, Republic of Korea
2. Graduate
Program in Biochemistry and Biophysics, Brandeis University, 415 South Street, Waltham, Massachusetts 02453, USA
3. Division
of Applied Life Science (BK21 plus), IALS, Gyeongsang National University, Jinju 660-701, Republic of Korea