Funding for this research was provided by:
National Natural Science Foundation of China (82073659)
Leading Talents Program of Guangdong Province (2019-2022)
Li Ka Shing Foundation (2020LKSFG19B)
the Innovation Team Project of Guangdong Universities (2019KCXTD003)
the Grant for Key Disciplinary Project of Clinical Medicine under the Guangdong High-level University Development Program (2020)
Received: 13 May 2020
Accepted: 20 January 2021
First Online: 29 January 2021
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the First Affiliated Hospital of Shantou University Medical College and all subjects gave informed consent.
: Consent for publication was obtained from all the participants.
: The authors declare that they have no competing interests.