Text and Data Mining valid from 2018-09-11
Received: 11 January 2018
Accepted: 22 August 2018
First Online: 11 September 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the respective institutional review boards of the Ethics Committee of Sun Yat-sen University Cancer Center (Approval No: YB2017–04). All patients provided written informed consent to participate in this study.
: Not applicable
: All the authors declare that they have no conflicts of interest.
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