Funding for this research was provided by:
Deutsche Arthrose-Hilfe (P178-A49-Eulert-EP2nöth3-hüfte-opII-156k-2008-12, P235-A284-Rudert-EP2-nöth1-hüfte-op-II-67k-2001-12))
Text and Data Mining valid from 2018-07-19
Received: 3 February 2018
Accepted: 14 June 2018
First Online: 19 July 2018
Ethics approval and consent to participate
: The study was approved by the ethics committee of the medical faculty of the University of Würzburg (approval number 72/11) and written consent was obtained from all individual participants included.
: Not applicable.
: The authors declare that they have no competing interests.
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