Received: 25 February 2020
Accepted: 1 April 2020
First Online: 29 April 2020
Ethics approval and consent to participate
: This study has been approved by the ethics committee of Jingzhou Central Hospital. Written informed consents were signed during hospitalization. The data used in this study was anonymised before its use.
: Not applicable.
: The authors declare that they have no competing interests to disclose.