Received: 2 June 2021
Accepted: 29 September 2021
First Online: 16 October 2021
: The study protocol was reviewed and approved by the Institutional Review Board of Seoul National University Hospital (IRB no. 2103–114-1205). The Institutional Review Board granted a waiver of informed consent. Blood samples were collected according to the principles of the Declaration of Helsinki.
: Written consent for the child’s personal and clinical details along with the identifying images was obtained from the patient’s parent for the publication of this case report.
: The authors declare that they have no competing interests.