Funding for this research was provided by:
National Natural Science Foundation of China (31600632)
Natural Science Foundation of Guangdong Province (2018A030307079)
Received: 20 August 2020
Accepted: 29 October 2020
First Online: 19 November 2020
Ethics approval and consent to participate
: This study was approved by the Clinical Research Ethics Committee of the Sun Yat-sen University Cancer Center, and all patients provided written informed consent at the first visit to our center.
: Not applicable.
: The authors declare that they have no competing interests.