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Article History

Received: 31 July 2017

Accepted: 23 November 2018

First Online: 10 December 2018

Ethics approval and consent to participate

: All procedures in this study were performed in accordance with the ethical standards of The Jikei University School of Medicine ethics and research committee. This study was not defined as a research study according to ‘Ethical Guidelines for Medical and Health Research Involving Human Subjects’ issued by Ministry of Health, Labor and Welfare of Japan, and therefore, submission of such studies to an ethics committee is not required.

: Written informed consent was obtained from the patient for publication of this case report and the images in it.

: The authors declare that they have no competing interests.

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