Article History
Received: 20 August 2019
Accepted: 19 November 2019
First Online: 18 December 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the Ethics Review Board at NHO Kokura Medical Center (No. 289)
: Informed consent was obtained from the parents of the patient for the publication of this case report.
: The authors declare that they have no competing interests.