1. Department of Medicine and Therapeutics Li Ka Shing Institute of Health Sciences and Lui Che Woo Institute of Innovative Medicine The Chinese University of Hong Kong Hong Kong 999077 P. R. China
2. Guangdong‐Hong Kong Joint Laboratory on Immunological and Genetic Kidney Diseases Guangdong Academy of Medical Sciences Guangdong Provincial People's Hospital Guangzhou 510080 P. R. China
3. Department of Nephrology The Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou Zhejiang 31009 P. R. China
4. Division of Nephrology Department of Medicine The University of Hong Kong Hong Kong 999077 P. R. China
5. The Chinese University of Hong Kong‐Guangdong Academy of Sciences/Guangdong Provincial People's Hospital Joint Research Laboratory on Immunological and Genetic Kidney Diseases The Chinese University of Hong Kong Hong Kong 999077 P. R. China