Yang, Yide
Xie, Ming
Yuan, Shuqian
Zeng, Yuan
Dong, Yanhui
Wang, Zhenghe
Xiao, Qiu
Dong, Bin
Ma, Jun
Hu, Jie
Article History
Received: 11 February 2021
Accepted: 8 June 2021
First Online: 26 June 2021
Declarations
:
: All procedures performed in the present study were in accordance with the Declaration of Helsinki and were approved by the Medical Ethical Committee of the Peking University Health Science Center (IRB00001052–13086). The authors obtained permission to use the dataset from Institute of Child and Adolescent Health, Peking University, and the secondary analysis of the dataset without identifiable information was approved by the Ethical Committee of Hunan Normal University (2019–88) and by Southern Medical University (IRB00001052–20014). Written informed consent to participate in the study was obtained from all participants. All participants had the right to withdraw from the study at any time and for any reason.
: Not applicable.
: The authors have no conflicts of interest to declare.