1. College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, Chungbuk, 361-951, Republic of Korea
2. Department of Pharmaceutical Science, College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536, USA
3. Department of Biomaterial Science, Pusan National University, Miryang, Kyungnam, 627-706, Republic of Korea
4. Department of Bioscience and Biotechnology, Bio/Molecular Informatics Center, Konkuk University, Gwangjin-gu, Seoul, 143-701, Republic of Korea
5. Department of Obstetrics and Gynecology, Daejeon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Jung-gu, Daejeon, 301-723, Republic of Korea