Funding for this research was provided by:
National Natural Science Foundation of China (91642109)
State Education Ministry of China (69485-a)
Text and Data Mining valid from 2018-12-01
Received: 5 June 2018
Accepted: 29 November 2018
First Online: 12 December 2018
Change Date: 13 February 2019
Change Type: Correction
Change Details: Following publication of the original article , it was reported that, due to a typesetting mistake, the three tables and two figures for this article were included as an Additional file instead of in the body of the article. The original publication of this article has been updated to correct this.
Ethics approval and consent to participate
: The protocol of this study was approved by Peking University Third Hospital Medical Science Research Ethics Committee (IRB00006761-M2018134). All participants gave written informed consents which were obtained before the initial collection of urine samples.
: Not applicable.
: The authors declare that they have no competing interests.
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