1. College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
2. Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
3. Clinical Medical School, Ningxia Medical University, Yinchuan 750004, China
4. Institute of Traditional Chinese Medicine, Ningxia Medical University, Yinchuan 750004, China