Volpin, A.
Konan, S.
Biz, C.
Tansey, R. J.
Haddad, F. S.
Article History
Received: 13 August 2017
Accepted: 8 April 2018
First Online: 13 April 2018
Compliance with ethical standards
:
: A. Volpin, S. Konan, C. Biz, R. J. Tansey declare that they have no conflict of interest. F. S. Haddad reports grants from Stryker and grants from Smith and Nephew, outside the submitted work.