Luo, Yingying
Li, Jian
Wang, Bin
Zhang, Qin
Bian, Yajie
Wang, Ruipei
Article History
Received: 18 December 2020
Accepted: 2 March 2021
First Online: 16 March 2021
Declarations
:
: The study was approved by the ethics commitment of Cangzhou Central Hospital.
: Not applicable.
: The authors declare that they have no competing interests.