1 Department of Pharmacology, College of Medicine, Konyang University, 6 Munhwa-dong, Jung-gu, Daejeon, 301-747, Republic of Korea.
2 Department of Pharmacology, Daejeon Regional Cancer Center, College of Medicine, Chungnam National University, 821 Medical Science Bldg., 681 Gasuwon-dong, Seo-gu, Daejeon, 302-718, Republic of Korea. gmhur@cnu.ac.kr.
3 Department of Pharmacology, College of Medicine, Konyang University, 6 Munhwa-dong, Jung-gu, Daejeon, 301-747, Republic of Korea. hoi@konyang.ac.kr.