Funding for this research was provided by:
National Natural Science Foundation of China (81460189)
Received: 30 December 2019
Accepted: 11 May 2020
First Online: 25 May 2020
Ethics approval and consent to participate
: This study were approved and authorised by the Theoretical committee of baotou central hospital. Ethical review approval number: IRB00001052–11085.
: The authors declare that there are Consent for publication.
: The authors declare that there are no conflict of commercial interest related to this paper.