Funding for this research was provided by:
Thailand Research Fund (DBG5980004, RTA5780012)
Khon Kaen University (KKU61003502)
Text and Data Mining valid from 2019-11-15
Accepted: 13 October 2019
First Online: 15 November 2019
Compliance with ethical standards
: The authors declare no potential conflicts of interest.
: All procedures performed in studies involving human participants were conducted in accordance with the ethical standards of the Institutional Research Committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Human CCA tissues were obtained from the specimen bank of the Cholangiocarcinoma Research Institute, Khon Kaen University, Thailand. The patients had undergone liver resection at Srinagarind Hospital, Thailand. Informed patient consents were obtained prior to initiation of the study. The research protocol (#HE571283 and #HE581369) was approved by the Human Research Ethics Committee at Khon Kaen University.