1. Department of Yinchuan Traditional Chinese Medicine Hospital, Ningxia Medical University, Yinchuan 750001, China
2. School of Traditional Chinese Medicine, Ningxia Medical University, Yinchuan 750004, China
3. Ningxia Regional Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of High Incidence, Ningxia Medical University, Yinchuan 750004, China