Funding for this research was provided by:
National Natural Science Foundation of China (81571870)
Clinical Research Projects of Second Affiliated Hospital of Army Medical University, PLA (2016YLC10, 2016D415)
Text and Data Mining valid from 2019-08-27
Received: 22 November 2018
Accepted: 15 August 2019
First Online: 27 August 2019
Ethics approval and consent to participate
: The study protocol was approved by the Medical Ethics Committee of Second Affiliated Hospital, Army Military Medical University (Approved ID: 2018-Research No. 033–01). The study was registered at the China Clinical Trial Registration Center (http://www. Chictr.org.cn/index.aspx) with registration number: ChiCTR1800016230. Prior to the study, written informed consent was obtained from all subjects.
: Not applicable.
: The authors declare that they have no competing interest.