Institution: | a School of Bioscience and Biotechnology, Chungnam National University, Gungdong 220, Youseong, Daejeon 305-764, Republic of Korea b Department of Biological Sciences, Sookmyung Women’s University, Seoul 140-712, Republic of Korea c Department of Biological Sciences, Myongji University, Yongin 449-728, Republic of Korea |