First Online: 31 January 2019
Ethics approval and consent to participate
: Data obtained from the TCGA open-access database was collected from tumors of patients who provided informed consent based on the guidelines from the TCGA Ethics, Law and Policy Group.
: All patients included in the TCGA public domain database consented for publication as detailed in [ExternalRef removed].
: Author Youping Deng is a Section Editor for BMC Medical Genomics. All other authors declare that they have no competing interests.
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