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Article History

Received: 24 October 2017

Accepted: 1 February 2018

First Online: 9 February 2018

Ethics approval and consent to participate

: This work has been approved by the ethics committee ofTaipeiVeterans General Hospital, and informed consent for publication was obtained from all patients.

: Written informed consent was obtained from the patient and publication of this report and accompanying images. A copy of this 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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