Chen, Xiaoxue
Wang, Yueheng http://orcid.org/0000-0002-8391-7070
Wang, Wei
Yuan, Lijun
Qi, Zhengqin
Song, Degang
Article History
Received: 11 February 2020
Accepted: 23 July 2020
First Online: 2 August 2020
Ethics approval and consent to participate
: This clinical study was approved by the Ethics Committee of the Second Hospital of Hebei Medical University. Written informed consent were signed by all participants.
: Not applicable.
: The authors declare that they have no competing interests.