1Renal Division, Department of Medicine, Peking University First Hospital, Beijing, China

2Institute of Nephrology, Peking University, Beijing, China

3Renal Pathology Center, Institute of Nephrology, Peking University, Beijing, China

4Key Laboratory of Renal Disease, Ministry of Health of China, Beijing, China

5Key Laboratory of CKD Prevention and Treatment, Ministry of Education of China, Beijing, China

6Laboratory of Electron Microscopy, Pathological Centre, Peking University First Hospital, Beijing, China

7Department of Nephrology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China

8Peking-Tsinghua Center for Life Sciences, Beijing, China

Correspondence: Prof. Fu-de Zhou, Renal Division, Department of Medicine, Peking University First Hospital, No. 8, Xishiku Street, Xicheng District, Beijing 100034, China. Email: [email protected]