1. Department of Nephrology, Southwest Hospital, Third Military Medical University, Chongqing 400030, P.R. China
2. Radioimmunity Center, Shaanxi Provincial People's Hospital, Xian, Shaanxi 710068, P.R. China
3. Health Management Center, People's Liberation Army 180 Hospital, Quanzhou, Fujian 362000, P.R. China
4. Department of Urology, Daping Hospital, Third Military Medical University, Chongqing 400042, P.R. China
5. Department of Medicine, Sino‑Swed Molecular Bio‑Medicine Research Institute, Shenzhen, Guangdong 518057, P.R. China