Received: 25 July 2020
Accepted: 13 October 2020
First Online: 28 October 2020
Ethics approval and consent to participate
: The need for approval was waived by Saitama Medical University International Medical Center Institutional Review Board.
: Written consent was obtained from the mother of the patient for publication of this case report and accompanying photos and images. A copy of the written consent is available for review by the Editor-in-Chief of this journal on request.
: The authors declare that they have no competing interests.