Received: 2 March 2021
Accepted: 25 May 2021
First Online: 11 June 2021
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional. The study was approved by the ethics committee of the Shenzhen Children’s Hospital. Due to all participants included in the study are under 18, informed consent was obtained from all individual participants’ parents and/or legal guardian.
: Informed consent for publication was obtained from all patients’ parents for the use of their medical records and exam images in writing this study.
: All authors declare that they have no conflict of interest.