Received: 7 July 2019
Accepted: 29 October 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: AC, AF, PG, PB, OB, DN, and CR all hold patents for the study devices mentioned in this manuscript. DF was an employee of Smith & Nephew at the time this manuscript was developed.