1. Bio-Evaluation Center; Korea Research Institute of Bioscience and Biotechnology; Cheongju Chungbuk 28116 Korea
2. National Institute of Crop Science, Rural Development Administration; Wanju Jeonbuk 55365 Korea
3. Laboratory Animal Resource Center; Korea Research Institute of Bioscience and Biotechnology; Cheongju Chungbuk 28116 Korea
4. Dep. of Crop Science and Biotechnology; Dankook Univ.; Cheonan Chungnam 31116 Korea
5. Agricultural Genome Center, National Academy of Agricultural Sciences, Rural Development Administration; Wanju Jeonbuk 55365 Korea
6. School of Biotechnology; Yeungnam Univ.; Gyeongsan Gyeongbuk 38541 Korea