Text and Data Mining valid from 2018-11-10
Received: 1 July 2018
First Online: 10 November 2018
Compliance with ethical standards
: The authors declare that one of the authors is a consultant of ZimmerBiomet, but no author was supported for this paper.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.