1. Renal Division, Department of Medicine, Peking University First Hospital , , , , Beijing , China
2. Institute of Nephrology, Peking University , , , , Beijing , China
3. Key Laboratory of Renal Disease, Ministry of Health , , , , Beijing , China
4. Key Laboratory of Renal Disease, Ministry of Education , , , , Beijing , China
5. Renal Division, Department of Medicine, Second Hospital of Hebei Medical University , Hebei , China
6. Department of Nephrology, Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Chongqing Clinical Research Center of Kidney and Urology Diseases, Xinqiao Hospital, Army Medical University (Third Military Medical University) , Chongqing , China
7. Renal Division, Department of Medicine, Peking University Shenzhen Hospital , Guangdong , China
8. Renal Division, Department of Medicine, Third Hospital of Hebei Medical University ; Hebei , China
9. Renal Division, Department of Medicine , People's Hospital of Qinghai Province, Qinghai , China
10. Renal Division, Department of Medicine, Handan Central Hospital , Hebei , China
11. Renal Division, Department of Medicine, Peking Haidian Hospital , Beijing , China
12. Department of Nephrology, Shengjing Hospital of China Medical University , Shenyang, Liaoning , China
13. Renal Division, Department of Medicine, Cangzhou Central Hospital , Hebei , China
14. Renal Division, Department of Medicine, Second Affiliated Hospital of Anhui Medical University , Anhui , China
15. Renal Division, Department of Medicine, First Affiliated Hospital of Zhengzhou University , Henan , China
16. Renal Division, Department of Medicine, Beijing Miyun District Hospital , Beijing , China
17. Renal Division, Department of Medicine, Second Affiliated Hospital of Harbin Medical University , Heilongjiang , China
18. Renal Division, Department of Medicine, First Affiliated Hospital of BaoTou Medical College , Neimenggu, China
19. Renal Division, Department of Medicine, People's Hospital of Langfang , Hebei , China
20. Renal Division, Department of Medicine, People's Hospital of Gansu , Gansu , China
21. Renal Division, Department of Medicine, Peking University People's Hospital , Beijing , China
22. Renal Division, Department of Medicine, Pingdingshan First People's Hospital , Henan , China
23. Renal Division, Department of Medicine, First People's Hospital of Xining , Qinghai , China
24. Renal Division, Department of Medicine, Taiyuan Central Hospital , Shanxi , China
25. Renal Division, Department of Medicine, Cangzhou People's Hospital , Hebei , China
26. Renal Division, Department of Medicine, First Hospital of Jilin University , Jilin , China
27. Renal Division, Department of Medicine, People's Hospital of Chuxiong Yi Autonomous Prefecture , Yunnan , China
28. Renal Division, Department of Medicine, Second Hospital of Shanxi Medical University , Shanxi , China
29. Renal Division, Department of Medicine, China Rehabilitation Research Center, Beijing Boai Hospital , Beijing , China
30. Renal Division, Department of Medicine, Beijing Dongzhimen Hospital , Beijing , China
31. Department of Epidemiology and Biostatistics, School of Public Health, Peking University , Beijing , China