Funding for this research was provided by:
National Natural Science Foundation of China (81602645)
Natural Science Foundation of Guangdong Province (2018A030313292)
Guangzhou Municipal Science and Technology Project (201804010430)
Received: 2 June 2019
Accepted: 3 January 2020
First Online: 9 January 2020
Ethics approval and consent to participate
: Before collecting these specimens, ethical approval has been obtained from the Medical Ethics Committee of China, and all patients have given their informed consent for translational research.
: Not applicable.
: The authors declare that they have no competing interests.