1. Modern Research Center for Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, P. R. China
2. State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, P. R. China
3. College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, P. R. China
4. Beijing Hospital of Traditional Chinese Medicine, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis (BZ0375), Capital Medical University, Beijing 100010, P. R. China
5. Alashan Mongolian Hospital, East Banner of Alashan, Inner Mongolia 750306, P. R. China
6. State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P. R. China