1. Department of Cell Biology, School of Medicine of Yangzhou University, Yangzhou, Jiangsu 225000, P.R. China
2. Department of Rheumatology, Taizhou People's Hospital, Taizhou, Jiangsu 225300, P.R. China
3. Department of Internal Medicine, Affiliated Hospital of Yangzhou University, Yangzhou, Jiangsu 225000, P.R. China