Article History
Received: 12 February 2021
Accepted: 3 May 2021
First Online: 8 May 2021
Declarations
:
: Ethical approval was obtained from the Ethics Committee of Akita University Graduate School of Medicine (Approved Number: 2621).
: The written consent to publish the personal and clinical details (including figures) of the participant was obtained from the patient and his parent.
: Authors declare that they have no competing interests.