Text and Data Mining valid from 2018-07-31
Received: 10 July 2018
Accepted: 20 July 2018
First Online: 31 July 2018
Ethics approval and consent to participate
: This study was performed in accordance with the tenets of the Declaration of Helsinki. Approval to conduct this study was obtained from the Institutional Review Board of Samsung Medical Center (Seoul, Republic of Korea). Consent to participate is not applicable due to retrospective design of this study.
: Written informed consent was obtained from the patient for the publication of this report and any accompanying images.
: The authors declare that they have no competing interests.
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