1. Department of Rheumatology General Hospital of Ningxia Medical University Yinchuan Ningxia P.R.China
2. Department of Nursing Xingtai Medical College Xingtai Hebei P.R.China
3. Department of Emergency The First People's Hospital of Yinchuan Yinchuan Ningxia P.R.China
4. Department of Physiology Ningxia Medical University Yinchuan Ningxia P.R.China
5. Ningxia Key Laboratory of Cerebrocranial Disease, Basic Medical School of Ningxia Medical University Yinchuan Ningxia P.R.China