1. Department of Clinical Laboratory, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
2. Department of Rheumatology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
3. Medical College, Nanchang University, Nanchang, Jiangxi 330006, P.R. China