Hui Liang1,2,3, Shuya Wang2,3. 1. Department of Nursing, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China. 2. The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China. 3. Department of Rheumatology and Immunology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China.