Hao, Ruizheng
Wang, Bin
Wang, Hui
Yang, Huanyou
Huo, Yongxin
Article History
Received: 9 June 2020
Accepted: 1 September 2020
First Online: 16 September 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Tangshan Second Hospital (TSEY-LL-2020016).
: Signed informed consent was obtained from each patient.
: The authors indicated no potential conflicts of interest.