Xu, Qian
Zhang, Qianqian
Dong, Mengli
Yu, Yuan
Article History
Received: 24 March 2021
Accepted: 5 August 2021
First Online: 20 August 2021
Declarations
:
: The study was approved by the Ethics Committee of Weifang People’s Hospital, China. Signed written informed consents were obtained from the patients and/or guardians.
: Not applicable.
: The authors declare that they have no competing interests.