Funding for this research was provided by:
The National Key Research and Development Plan (2016YFC0105100)
Received: 16 July 2018
Accepted: 27 December 2018
First Online: 23 January 2019
Ethics approval and consent to participate
: The human cancer tissues and blood used in this study were approved by the institutional ethical committee of Shandong Cancer Hospital affiliated to Shandong University (Approval Number: SDTHEC201312051).
: We have received consents from individual patients who have participated in this study. The consent forms will be provided upon request.
: The authors declare that they have no competing interests.
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