1. Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine , Hefei , China
2. Department of Clinical Nursing, School of Nursing, Anhui University of Chinese Medicine , Hefei , China
3. Department of Orthopaedics, the First Affiliated Hospital, Anhui Medical University , Hefei 230032 , China
4. Anhui Public Health Clinical Center , Hefei , China