Hess, Florian
Zettl, Ralph
Welter, JoEllen
Smolen, Daniel
Knoth, Christoph
Article History
Received: 25 July 2018
First Online: 22 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individuals described in this case series.