Funding for this research was provided by:
the National Key Technology R&D Program (2018YFA0108803)
the Science and Technology Project of Beijing ((D181100000118004)
Received: 9 November 2019
Accepted: 18 August 2020
First Online: 31 August 2020
Ethics approval and consent to participate
: This study protocol does not need ethics committee approval.
: Not applicable.
: There are no conflicts of interest to declare. The coauthor Xiangmei Chen is the Editorial Board Member of <i>BMC Nephrology</i>.