1. Department of Biotechnology, Hankyong National University, 327 Chungang-no Anseong-si, Kyonggi-do 456-749, Republic of Korea
2. Center for Genetic Information, Graduate School of Bio and Information Technology, Hankyong National University, 327 Chungang-no Anseong-si, Kyonggi-do 456-749, Republic of Korea
3. Green planet co.ltd Okayama ken, tsushima nishizaka2 chome 5-41-203, Okayama, Japan