Funding for this research was provided by:
Foundation of Jiangsu Cancer Hospital (ZM201811)
Science and Technology Project Foundation of Jiangsu Province (BE2018750)
Text and Data Mining valid from 2019-11-30
Received: 31 August 2019
Accepted: 14 November 2019
First Online: 30 November 2019
Ethics approval and consent to participate
: Our study was approved by Ethics Committee of the affiliated cancer hospital of Nanjing Medical University. The patients and relatives were informed and consented to participating this study.
: Consent for publication had been obtained from the patients and relatives.
: The authors declare that they have no competing interests.