1. Division of Nephrology
2. The Fifth People's Hospital of Shanghai
3. Fudan University
4. Shanghai
5. China
6. School of Chemistry and Molecular Engineering
7. East China University of Science and Technology
8. P.R. China
9. Division of Gastroenterology
10. Zhongshan Hospital
11. Huashan Hospital and Institute of Nephrology
12. Key Laboratory of Functional Polymer Materials of Ministry Education
13. Institute of Polymer Chemistry
14. Nankai University
15. Tianjin 300071