Yuan, Shuo
Fan, Ning
Hai, Yong
Wu, Qichao
Du, Peng
Zang, Lei
Article History
Received: 19 May 2021
Accepted: 6 October 2021
First Online: 12 October 2021
Declarations
:
: The study design was approved by the Ethics Review Committee of Beijing Chaoyang Hospital (Registration number: 2021-4-22-2), and no administrative permission was required to access the raw data for this study. In addition, all subjects provided informed consent prior to participation. All methods in the study were carried out in accordance with the Helsinki guidelines and declaration.
: Not applicable.
: The authors declare that they have no competing interests.