Funding for this research was provided by:
National Natural Science Foundation of China (81960047)
Received: 4 August 2020
Accepted: 24 February 2021
First Online: 4 March 2021
: The study design was approved by the Ethics Committee of the Affiliated Hospital of Guizhou Medical University. Informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.