Funding for this research was provided by:
Natural Science Foundation of Shandong Province (ZR2016HP32)
Article History
Received: 31 August 2020
Accepted: 18 February 2021
First Online: 4 March 2021
Declrations
:
: This study was approved by the Research Ethics Board of Shandong Cancer Hospital, and informed consent was provided by all patients.
: All authors gave their consent for publication.
: The authors declare no competing interests.