Der MKG-ChirurgFebruary 2019, Volume 12, Issue 1, pp 59–64 | Cite asMitteilungen der DGMKGMitteilungen der DGMKGFirst Online: 31 January 2019 7 Downloads This is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© Springer Medizin Verlag GmbH, ein Teil von Springer Nature 2019