1. Department of Rheumatology and Immunology, The First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology , Luoyang , China
2. Department of Central Laboratory, Zhengzhou University, Luoyang Central Hospital , Luoyang , China
3. Department of Pathology, The Third Affiliated Hospital of Henan University of Science and Technology , Luoyang , China
4. Department of Pathology, Yiluo Hospital of Luoyang, The Teaching Hospital of Henan University of Science and Technology , Luoyang , China
5. Department of Urology, The First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology , Luoyang , China