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Article History

Received: 27 March 2019

Accepted: 12 September 2019

First Online: 15 October 2019

Ethics approval and consent to participate

: Voluntary written informed consent was obtained prior to the study from the patients under approval of the Institutional Review Board, Yeungnam University Hospital (No. 2017–07-006).

: Written informed consent was obtained from the patient or patient’s family for publication of this case series and any accompanying images. A copy of the written consent is available for review by the Editor of this journal.

: The authors declare that they have no competing interests.