Received: 23 September 2020
Accepted: 18 January 2021
First Online: 23 January 2021
Ethics approval and consent to participate
: The present study was approved by the Institutional Review Board (IRB) of CHA Gangnam Medical Center (IRB No. GCI 2020–05-009). The patient’s legal guardian provided written informed consent for publication of this case report and accompanying images.
: Written informed consent was obtained from the patient’s mother for publication of this case report and accompanying images. The mother gave us full permission for the materials to appear in the print and online, and grant permission to third parties to reproduce this material.
: The authors declare that they have no competing interests.