1. Plant Genetic Engineering Center of Hebei Province, Institute of Genetics and Physiology, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, People's Republic of China
2. Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, People's Republic of China
3. College of Laboratory Science, Hebei North University, Zhangjiakou, People's Republic of China
4. Pharmaceutical Research Institute of Shijiazhuang Pharmaceutical Group Co., Ltd., Shijiazhuang, People's Republic of China