1. Department of Physical Therapy, College of Public Health & Welfare, Yongin University, Yongin 449-714, Korea.
2. Department of Physiology, Institute of Functional Genomics, School of Medicine, Konkuk University, Choongju 380-701, Korea.
3. Department of Herbal Medicine, College of Natural Sciences, Hoseo University, Asan 336-795, Korea.
4. Bio Food and Drug Research Center, Konkuk University, Choongju 380-701, Korea.