Funding for this research was provided by:
Natural Science Foundation of Hebei Province (H2012206169)
Hebei Province Science and Technology Foundation (162777114D)
Wu Jieping Medical Foundation for Clinical Scientific Research (320.6750.13295)
Received: 31 October 2017
Accepted: 20 August 2018
First Online: 18 September 2018
Ethics approval and consent to participate
: All animal procedures were approved by the Committee on the Ethics of Animal Experiments of the Health Science Center of Peking University (Beijing, China). All patient and tumor tissue examination procedures were approved by the Fourth Hospital Ethics Committee of Hebei Medical University in Shijiazhuang, China (SCXK2009–0037).
: Not applicable.
: The authors declare that they have no competing interests.
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