Der DiabetologeJune 2015, Volume 11, Issue 4, pp 350–352 | Cite asMitteilungen DDSMitteilungen der DDSFirst Online: 25 June 2015 40 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-Verlag Berlin Heidelberg 2015