Funding for this research was provided by:
National Natural Science Foundation of China (81870575, 81570750)
Natural Science Foundation of Guangdong Province (2019A1515010992, 2017A030310199, 2017A030310044)
National Natural Science Foundation for Young Scholars of China (81700718)
National Key R&D Program of China (2016YFC0906101)
Operational Grant of Guangdong Provincial Key Laboratory (2017B030314019)
Science and Technology Program of Guangdong Province (2017A050503003)
Guangzhou Municipal Program of Science and Technology (201704020167)
Received: 29 September 2019
Accepted: 27 July 2020
First Online: 17 August 2020
Ethics approval and consent to participate
: The study was conducted in compliance with the principles of the Declaration of Helsinki and was approved by the Clinical Research Ethics Committee of the First Affiliated Hospital of Sun Yat-sen University. All patients provided their written informed consent before they were enrolled in the study.
: Not applicable.
: The authors declare that they have no competing interests.