Text and Data Mining valid from 2018-12-01
Received: 23 August 2018
Accepted: 19 November 2018
First Online: 20 December 2018
Ethics approval and consent to participate
: For retrospective publications with less than five patients a formal ethical approval is not required at our institute. Both patients consented to participate in the study.
: Consent was obtained from both patients for publication of their data and images.
: The authors declare that they have no competing interests.
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