Wang, Xiaomeng
Liu, Huixin
Li, Dengke
Luo, Zixuan
Li, Yansen
Zhang, Fengqi
Article History
Received: 23 September 2019
Accepted: 13 August 2020
First Online: 26 August 2020
Ethics approval and consent to participate
: The investigation process was approved by the ethics committee of the Third Hospital of Hebei Medical University. Informed written consent to participate in the study was obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.