Funding for this research was provided by:
Key R & D projects of Shandong Province (NO.2015GSF118087)
Received: 14 December 2020
Accepted: 20 July 2021
First Online: 3 August 2021
: This study was conducted in accordance with the Declaration of Helsinki and approved by the ethics committee of Linyi Cancer Hospital.Written informed consent was obtained from all participants. Ethics Approval No.: KY1402.
: The manuscript is not submitted for publication or consideration elsewhere. Written informed consent to publish this information was obtained from study participants.
: All of the authors had no any personal, financial, commercial, or academic conflicts of interest separately.