Funding for this research was provided by:
National Natural Science Foundation of China (81471054, 81660150)
Received: 2 August 2020
Accepted: 14 October 2020
First Online: 20 October 2020
Ethics approval and consent to participate
: The study protocol was approved by the Ethics Committee Board of Guilin Medical University.
: Not applicable.
: All the authors declare that they have no conflict of interest.