1. Department of medicine, Renal Division, Peking University First Hospital, Peking University, Institute of Nephrology, Renal Pathology Center, Institute of Nephrology, Peking University, Beijing, PR China
2. Laboratory of Electron Microscopy, Pathological Center, Peking University First Hospital, Beijing, PR China
3. Research Units of Diagnosis and Treatment of Immune-mediated Kidney Diseases, Chinese Academy of Medical Sciences, Beijing, PR China