Funding for this research was provided by:
National Natural Science Foundation of China (81702871)
Text and Data Mining valid from 2019-09-09
Received: 2 June 2019
Accepted: 27 August 2019
First Online: 9 September 2019
Ethics approval and consent to participate
: The use of GBC tissue specimens and adjacent nontumor tissues was approved by the ethics committee of Fudan University Shanghai Cancer Center (FUSCC).
: Not applicable.
: The authors declare that they have no competing interests.