1. School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102, China
2. State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
3. National Institutes for Food and Drug Control, State Food and Drug Administration, Research and Inspection Center of Traditional Chinese Medicine and Ethnomedicine, Beijing 100050, China