Funding for this research was provided by:
Medical Science and Technology Foundation of Guangdong Province (B2019087)
Young Innovative Talents Project of Guangdong Province (2018KQNCX096)
Natural Science Foundation of Guangdong Province (2019A1515010875)
Received: 20 February 2020
Accepted: 9 November 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: Ethical approval was obtained from the Ethics Committee of The People’s Hospital of Gaozhou. All procedures performed in studies involving human participants or animals were in accordance with the ethical standards of the institutional and national research committee. Written informed consent was obtained from all individual patients included in the study.
: Not applicable.
: The authors declare that they have no competing interests.