Funding for this research was provided by:
Department of Human Resource and Social Security of Shaanxi Province (2016SF-124)
Clinical Research Award of the First Affiliated Hospital of Xi'an Jiaotong University (No.XJTU1AF-CRF-2018-026)
Text and Data Mining valid from 2019-11-13
Received: 28 May 2019
Accepted: 9 September 2019
First Online: 13 November 2019
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board/Ethics of The First Affiliated Hospital of Xi’an Jiao-tong University. The study was performed in accordance with the ethical standards of the Declaration of Helsinki. All patients agreed to participate in the research and signed the information consent form.
: The authors agree to publication of this article in BMC Nephrology.
: The authors declare that they have no competing interests.