Biomedical Omics Group, Korea Basic Science Institute, 162 Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Cheongju, Chungbuk, Republic of Korea, 363-883 Phone: +82-43-240-5150, Fax:+82-43-240-5159 E-mail: jongshin@kbsi.re.kr