Zheng, Xiaozuo http://orcid.org/0000-0002-5757-1029
Hu, Yang
Xie, Peng
Li, Tong
Feng, Yu-e
Gu, Juyuan
Gao, Shijun
Funding for this research was provided by:
the human resources and social security of Hebei province (C20190184)
Article History
Received: 2 September 2019
Accepted: 30 October 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: This study was approved by the ethics committee of the Third Hospital of Hebei Medical University. Written informed consent was obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.