Institution: | a Department of Bioscience and Biotechnology, Konkuk University, 1 Hwayng-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea b Laboratory of Cellular Signaling Modulators, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Yuseong, Daejeon 305-333, Republic of Korea c Department of Radiation Medicine, Georgetown University School of Medicine, Washington, DC 20057-1482, USA d Genetic Toxicology Division, NITR, Korea Food and Drug Administration, Seoul 122-704, Republic of Korea |