Liu, Zhengpeng
Zhang, Shuyi
Li, Jia
Tang, Hai
Article History
Received: 14 March 2022
Accepted: 8 June 2022
First Online: 17 June 2022
Declarations
:
: The present study was approved by the Ethics Committee of the Affiliated Hospital of Chengde Medical College. Written informed consent was obtained from the participant. All protocols were carried out in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no conflicts of interest.