Funding for this research was provided by:
National Natural Science Foundation of China (8174100706)
National Key Research and Development Program of China (2018YFB1307603)
Received: 5 February 2020
Accepted: 3 December 2020
First Online: 21 December 2020
Ethics approval and consent to participate
: This study was approved by the institutional review board of Qinghai Red Cross Hospital.
: Not applicable.
: The authors declare that they have no competing interests.