Zhang, Liru
Zhao, Shuangling
Liu, Yuanhang
Lv, Feifei
Geng, Xixue
Article History
Received: 20 January 2022
Accepted: 5 April 2022
First Online: 15 April 2022
Declarations
:
: The authors confirm that the study has been approved by the Hospital Ethics Committee in Second Hospital of Shijiazhuang and informed consents were obtained from all included participants. This study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declared that they have no conflicts of interest to this work.