Funding for this research was provided by:
Scientific Research Starting Foundation for Ph.D. from Liaoning Province (2019JH3/10100283)
National Natural Science Foundation of China (81600777)
Article History
Received: 30 September 2019
Accepted: 29 October 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: This study followed the tenets of the Declaration of Helsinki and was approved by the Ethical Committee of the Fourth Affiliated Hospital of China Medical University. Written informed consent was obtained from each participant.
: Not applicable.
: The authors declare that they have no competing interests.