1. Department of Biological Sciences, Korea Advanced Institute of Science and Technology, 373-1, Guseong-dong, Yuseong-gu, Daejeon 305-701, Republic of Korea
2. NeoPharm Co., Ltd, BVC-307, KRIBB, 52 Oeun-dong, Yuseong-gu, Daejeon 305-333, Republic of Korea
3. Department of Oriental Medicinal Material and Processing College of Life Science, Kyung Hee University, 1 Seocheon, Kihung Yongin, Kyunggi 449-701, Republic of Korea