1. Department of Immunology and Rheumatology, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou Province, People’s Republic of China
2. Department of Rheumatology and Immunology, Affiliated to Guizhou University of Chinese Traditional Medicine, Guiyang, Guizhou Province, China
3. Department of Nephrology, Guizhou Aviation Industry Corp Ltd No 300 Hospital, People’s Republic of China