Funding for this research was provided by:
National Natural Science Foundation of China (81701418)
Received: 22 October 2020
Accepted: 17 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Zhujiang Hospital, Southern Medical University and has been performed in accordance with the principles of Declaration of Helsinki. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare no competing interests.