Received: 13 October 2019
Accepted: 27 April 2020
First Online: 11 May 2020
Ethics approval and consent to participate
: A written consent to agree to participate in the study was obtained for all individual subjects. The study was approved by the Swedish Ethical Authorities (Regionala etikprövningsnämnden) in Stockholm: Ethical approval Dnr: 2016/595–31 with amendment Dnr 2017/318–32 and the Karolinska Institute to which the ethical approval belongs.
: Not applicable.
: The authors declare that they are not system developers of the Qinematic™ system nor affiliated to the company, and there is no further competing interest whatsoever. The company provided permission to reprint the “biomechanical report” in Additional file InternalRef removed.