Bi, Ziqiang
Kong, Lijuan
Zhao, Jiahui
Song, Dongdong
Duan, Fengmei
Article History
Received: 5 September 2023
Accepted: 11 March 2024
First Online: 19 March 2024
Declarations
:
: The ethics committee of the Affiliated Hospital of Chengde Medical College approved the protocol of this trial (approval number CYFYLL2022455). The participants’ or their representatives’ written informed consents were obtained before they were enrolled in the trial. If the protocol or informed consent form was modified, or if the primary investigators were replaced, all of the documents had to be reviewed again and implemented after approval. The ethics committee approval is available from the corresponding authors on reasonable request.
: The authors declare no competing interests.