1. School of Public Health, Wannan Medical College, Wuhu, Anhui, China (mainland)
2. Department of Rheumatology, Affiliated Yijishan Hospital of Wannan Medical College, Wuhu, Anhui, China (mainland)
3. Administration Office of Hospital Admission and Discharge, Affiliated Yijishan Hospital of Wannan Medical College, Wuhu, Anhui, China (mainland)