Text and Data Mining valid from 2018-12-01
Received: 28 July 2018
Accepted: 22 November 2018
First Online: 4 December 2018
Ethics approval and consent to participate
: Not applicable.
: Written informed consent was obtained from the patients for publication of this case series and for all accompanying images. A copy of this consent is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.