1 Department of Rheumatology, Affiliated Hospital of Nantong University, 20th Xisi Road, 226001, Nantong, People's Republic of China.
2 School of Nursing, Nantong University, 19th Qixiu Road, 226001, Nantong, People's Republic of China.
3 Department of Medical Image, Affiliated Hospital of Nantong University, 20th Xisi Road, 226001, Nantong, People's Republic of China.
4 Department of Medical Image, Affiliated Hospital of Nantong University, 20th Xisi Road, 226001, Nantong, People's Republic of China. wxh637295@sina.com.
5 Department of Rheumatology, Affiliated Hospital of Nantong University, 20th Xisi Road, 226001, Nantong, People's Republic of China. guzf@ntu.edu.cn.