Zou, Mingchen
Wu, Haotian
Yao, Shuangquan
Ren, Dong
Liu, Song
Liu, Yueju
Song, Zhaohui
Article History
Received: 6 December 2020
Accepted: 10 February 2021
First Online: 25 February 2021
Ethics approval and consent to participate
: The study was approved by the ethics committee of Third Hospital of Hebei Medical University (No. 2017-002-1).
: Signed informed consent was obtained from each patient.
: The authors indicated no potential conflicts of interest.