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Article History

Received: 9 August 2018

Accepted: 5 October 2018

First Online: 19 October 2018

Ethics approval and consent to participate

: The institutional review board of Tokyo Metropolitan Bokutoh Hospital approved this case report. The authors also obtained an informed consent from the patient and his relatives.

: Written informed consent was obtained from the patient for publication of this case report and any accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.

: The authors declare that they have no competing interests.

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