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Article History

Received: 31 March 2020

Accepted: 26 May 2020

First Online: 9 June 2020

Compliance with ethical standards

:

: The authors declare that they have no competing interests.

: This study does not contain any work with human participants conducted by any of the authors.

: TCGA database and GEO data portal are publicly available databases, thus individual patient informed consent was not required.