Received: 24 April 2020
Accepted: 23 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: All the data was obtained from TCGA and GEO, and the informed consent had been attained from the patients before our study. The studies involving human tissues samples were reviewed and approved by the Research Ethics Committee of Affiliated Cancer Hospital & Institute of Guangzhou Medical University, and complied with the Declaration of Helsinki. All patients were aware of the present study and signed an informed consent agreement.
: Not applicable.
: The authors declare that they have no competing interests.