Funding for this research was provided by:
The National Key Research and Development Program of China (2016YFC0904700)
the Key Research and Development Program of Shandong province (2016GSF201093)
the Science and Technology Plan Projects of Shandong Academy of Medical Sciences (Youth Fund: 2015-51)
Text and Data Mining valid from 2018-09-18
Received: 3 May 2018
Accepted: 30 August 2018
First Online: 18 September 2018
Ethics approval and consent to participate
: This prospective study was approved by the Local Research and Ethics Committee at Shandong Cancer Hospital & Institute. Written informed consent was obtained from all patients prior to enrollment.
: All study participants provided informed written consent for publication.
: The authors declare that they have no competing interests.
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