Article History
Received: 29 July 2019
Accepted: 13 December 2019
First Online: 7 January 2020
Compliance with ethical standard
:
: Jain has nothing to disclose. Iliopoulos has nothing to disclose. Trompeter reports personal fees from Stryker, personal fees from Smith and Nephew and personal fees from Orthofix, outside the submitted work.