Funding for this research was provided by:
National Basic Research Program of China (973 Program) (2012CB517804)
Chinese Medical Doctor Association Discovery-Fund Project (DFCMDA201417)
Text and Data Mining valid from 2020-03-26
Received: 15 July 2019
Accepted: 16 March 2020
First Online: 26 March 2020
Ethics approval and consent to participate
: All patients or their relatives provided informed consent, and the study was approved by the ethical committee of General Hospital of Shenyang Military Region.
: All authors consent to publication in Military Medical Research.
: The authors declare that they have no competing interests.