Funding for this research was provided by:
National Natural Science Foundation of China (81160316 and 81260104)
Text and Data Mining valid from 2018-11-14
Received: 26 June 2018
Accepted: 28 September 2018
First Online: 14 November 2018
Ethics approval and consent to participate
: Consent to participate was not required because this was a retrospective study of formalin-fixed, paraffin-embedded tissues obtained after pathological diagnosis. All samples were anonymized before initiating the study. The retrospective study protocol was reviewed and approved by the Institutional Review Board of Fudan University Shanghai Cancer Center with the condition of anonymization (050432–4-1212B). The Institutional Review Board approved the use of tissue blocks and chart reviews.
: Not applicable.
: The authors declare that they have no competing interests.
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