1 Department of Nephrology, West China School of Medicine, Sichuan University, Chengdu, Sichuan 610041, China.
2 Division of Nephrology, West China Hospital of Sichuan University, Chengdu, Sichuan 610041, China.
3 Division of Nephrology, Kidney Research Institution, West China Hospital of Sichuan University; West China Biomedical Big Data Center, Sichuan University, Chengdu, Sichuan 610041, China.
4 Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, Michigan 48109, USA.