Lei, Lei
Zou, Jian http://orcid.org/0000-0001-9251-6781
Jiang, Zijing
Wang, Yifei
Zhao, Yu
Yu, Lingyu
Zhu, Ping
Funding for this research was provided by:
West China Hospital, Sichuan University (19HXFH037)
Article History
Received: 25 September 2021
Revised: 27 May 2022
Accepted: 14 June 2022
First Online: 29 June 2022
Declarations
:
: This study was approved by the Biomedical Research Ethics Committee of the West China Hospital of Sichuan University. This study was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Written informed consent was provided by parents before they began completing the questionnaire.
: Not applicable.
: The authors declare no competing interests.