1. Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Korea
2. Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, Rural Development Administration, Eumseong, Korea
3. Department of Biology Education, Korea National University of Education, Cheongju, Korea
4. Department of Central Area Science, National Institute of Crop Science, Rural Development Administration, Suwon, Korea
5. Department of Food Science and Biotechnology, Chungbuk National University, Cheongju, Korea