Document is current
Any future updates will be listed below
-
Authors
Berger, N. http://orcid.org/0000-0001-8805-9389
Lewens, D.
Salzmann, M.
Hapfelmeier, A.
Döderlein, L.
Prodinger, P. M.
- License Information
-
More Information
Article History
Received: 1 November 2017
Accepted: 27 June 2018
First Online: 18 July 2018
Ethics approval and consent to participate
: The Institutional Review Board of Technical University of Munich/Germany approved this study. Because of the anonymous nature of the data, the requirement for informed consent was waived.
: Written consent was obtained from the practitioner performing in the Additional file 2: Video “Putting on LLO”.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
