Funding for this research was provided by:
China Postdoctoral Science Foundation (179316)
National High-tech Research and Development Projects (2015AA020106)
Received: 23 November 2017
Revised: 12 February 2018
Accepted: 26 February 2018
First Online: 3 April 2018
Ethics approval and consent to participate
: The protocols in this study were reviewed and approved by the Ethical Committee and Institutional Review Board of the Cancer Hospital, Chinese Academy of Medical Sciences, and written informed consents were collected from each patient included in this research. This study did not involve the use of any animal tissue.
: All participants give their permission to publish this study.
: The authors declare that they have no competing interests.
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