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Article History

Received: 21 October 2017

Accepted: 18 May 2018

First Online: 31 May 2018

Ethics approval and consent to participate

: This study was approved by the ethical committee of First Affiliated Hospital of Harbin Medical University. Informed written consent was obtained.

: Written informed consent for publication of their clinical details and clinical images was obtained from the patient. A copy of the consent form is available for review by the Editor of this journal.

: The authors declare that they have no competing interests.

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