Yan, Ge
Nan, Guoxin
Article History
Received: 20 August 2021
Accepted: 25 October 2021
First Online: 10 November 2021
Declarations
:
: This retrospective study involving human participants was performed in accordance with the ethical standards of the institutional and national research committees and with the 1964 Helsinki Declaration and its later amendments. The Human Investigation Committee (IRB) of Children’s Hospital of Chongqing Medical University approved this study. Informed consent was obtained from the participants or their parent or legal guardian.
: Patients and/or the legal guardians provided writen informed consent for publishing their data and photographs.
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial or non-financial interest in the subject matter or materials discussed in this manuscript.