Funding for this research was provided by:
National Natural Science Foundation of China (81272620)
Medical Science and Technology Foundation of Guangdong Province (2016A020215086)
Text and Data Mining valid from 2019-03-15
Received: 28 August 2018
Accepted: 5 March 2019
First Online: 15 March 2019
Compliance with ethical standards
: This research followed the protocols approved by the Institutional Review Board and the ethics committees of Sun Yat-sen University Cancer Center.
: Not applicable.
: The authors declare that they have no conflict of interest.