Funding for this research was provided by:
Science and Technology Planning Project of Guangdong Province (2016A020216016)
Article History
Received: 25 May 2021
Accepted: 2 June 2021
First Online: 30 July 2021
Declarations
:
: This study was reviewed and approved by the ethics committee of the Nanfang Hospital (No. NFEC-2020–265). The patient consent was exempted due to the total anonymity of all research data in this study.
: Not applicable.
: The authors declare that they have no competing interests.