Funding for this research was provided by:
Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (ZYLX201807)
National Natural Science Foundation of China (81901355)
Natural Science Foundation of Beijing Municipality (7192081)
Beijing Municipal Administration of Hospital Youth Program (QML20171901)
Text and Data Mining valid from 2019-09-11
Received: 8 December 2018
Accepted: 3 September 2019
First Online: 11 September 2019
Ethics approval and consent to participate
: The study protocols were approved by the clinical research ethics committees of Beijing Anding Hospital, Capital Medical University.
: Not applicable.
: The authors declare that they have no competing interests.