Yang, Lianyi
Zhao, Shimin
Zhu, Yuanbing
Lai, Guangyun
Wang, Jun
Funding for this research was provided by:
Shanghai Municipal Health Commission (20194Y0049, 20194Y0049, 20194Y0049, 20194Y0049, 20194Y0049)
Article History
Received: 7 June 2023
Accepted: 20 October 2023
First Online: 7 November 2023
Declarations
:
: All procedures in this study were performed in accordance with the ethical standards of Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine (approval program: No. SH9H-2020-T191-1) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Written informed consent was obtained from parents before the survey.
: Not applicable.
: The authors declare no competing interests.