1. School of Clinical Medicine, Shandong Second Medical University, Weifang, Shandong, P.R. China
2. Department of Nephrology, Shandong Provincial Qianfoshan Hospital, Jinan, Shandong, P.R. China
3. Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University, Jinan, Shandong, P.R. China
4. Shandong Institute of Nephrology, Jinan, Shandong, P.R. China
5. Shandong Provincial Key Laboratory for Rheumatic Disease and Translational Medicine, Jinan, Shandong, P.R. China