Funding for this research was provided by:
3-3-3 talent project for high-level talents of Hebei Province (A2017005073)
Article History
Received: 9 August 2020
Accepted: 10 September 2020
First Online: 18 September 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of the 3rd Hospital of Hebei Medical University. Informed consent was obtained from all the participants.
: Written informed consent was obtained from each patient to authorize the publication of their data.
: The authors declare that they have no competing interests.