1. Department of Agriculture, Forestry and Bioresources, Plant Genomics and Breeding Institute, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
2. Department of Herbal Crop Research, National Institution of Horticultural and Herbal Science, Rural Development Administration, Eumseong 27709, Korea
3. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China