Funding for this research was provided by:
National Natural Science Foundation of China (81930072, 81803049)
Natural Science Foundation of Guangdong Province (2017A030312003)
the Planned Science and Technology Project of Guangdong Province (2019B020230002)
Health & Medical Collaborative Innovation Project of Guangzhou City, China (201803040003)
the Innovation Team Development Plan of the Ministry of Education (IRT_17R110)
the Overseas Expertise Introduction Project for Discipline Innovation (111 Project, B14035)
Text and Data Mining valid from 2019-11-13
Received: 17 June 2019
Accepted: 20 September 2019
First Online: 13 November 2019
Ethics approval and consent to participate
: The study was approved by the institutional ethics committees of Sun Yat-sen University Cancer Centre and the Affiliated Hospital of Guilin Medical University and all procedures were conducted in accordance with ethical principles (YB2018–33).
: Not applicable
: The authors declare that they have no conflicts of interest.