Funding for this research was provided by:
National Natural Science Foundation of China (81871971, 81772595)
National Key R&D Program of China (2017YFC0908200)
Science and Technology Program of Guangzhou (201803010117)
Sun Yat-sen University Clinical Research 5010 Program (2014013)
Planning Project of Guangdong Province (2013B090800047)
Young Teacher Foundation of Sun Yat-sen University (13ykpy46)
Received: 26 April 2019
Accepted: 22 November 2019
First Online: 12 December 2019
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee of Sun Yat-sen University Cancer Center (GZR2019–155) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained in written format from all individual participants included in the study.
: No individual person’s data was contained.
: The authors declare that they have no competing interests.