Wu, Shaofeng
Xing, Xiaoyu
He, Rong
Zhao, Haiteng
Zhong, Liang
Sun, Jie
Article History
Received: 9 December 2021
Accepted: 2 September 2022
First Online: 9 September 2022
Declarations
:
: This retrospective chart review study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The Human Investigation Committee (IRB) of Shanghai Children’s Medical Center approved this study. The present study was a retrospective study, and Informed consent was obtained from all patients’ parents or guardians.
: Not applicable.
: The authors declare that they have no competing interests.