Sang-Hwan Kim [ Institute of Genetic Engineering, Hankyong National University, Ansung 456-749, Korea ]
Kwan-Sik Min [ Major In the Animal Biotechnology The Graduate Sohool of Biology & Information Technology Hankyong National University, Anseong 456-749, Korea ]
Jong-Taek Yoon [ Institute of Genetic Engineering, Hankyong National University, Ansung 456-749, Korea, Department of Animal Life Research, Hankyong National University, Anseong 456-749, Korea ]