Funding for this research was provided by:
National Natural Science Foundation of China (NO. 81527803, 81420108018, 81671707)
Science and Technology Program of Zhejiang Province (2019C03077)
Natural Science Foundation of Guangdong Province (No. 2016A030311054)
The National Key Research and Development Program of China (No. SQ2018YFC010090)
Received: 31 October 2019
Accepted: 16 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Second Affiliated Hospital of Zhejiang University (Zhejiang, China), and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The experiments complied with the current laws of China. Written informed consent was obtained from all participants in the study.
: Written informed consent was obtained from patients for publication of this article and accompanying images. A copy of the written consent is available for review by the Editor-in Chief of BMC cancer.
: The authors declare no conflicts of interest.