Funding for this research was provided by:
MK has received honoraria from AO Trauma, Germany e.V.
Text and Data Mining valid from 2019-05-17
Received: 19 June 2018
First Online: 17 May 2019
Compliance with ethical standards
: MK has received research Grants from AO Trauma, Germany e.V. SK, GM, KP, and KHF declare that they have no conflict of interest.