Brunner, Maximilian https://orcid.org/0000-0001-9615-321X
Stockheim, Jessica
Krautz, Christian
Raptis, Dimitrios
Kersting, Stephan
Weber, Georg F.
Grützmann, Robert
Article History
Received: 12 July 2018
Accepted: 26 September 2018
First Online: 11 October 2018
Ethics approval and consent to participate
: Not applicable. A formal ethical approval is not required, because our manuscript does not report on or involve the use of any animal or human data or tissue (as to the Declaration of Helsinki and the submission guidelines on the journal website).
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.