Acknowledgements
We are grateful to research coordinator at the Norwegian Sports Medicine Clinic (Nimi) Kristin Bølstad and PT Marte Lund for all help with administration of the trial, testing and participant flow throughout the project period. Thanks to all the collaborating physiotherapy institutes, Department of Radiology at Oslo University Hospital by Kristin Dehli, Kathrine Lamark, and radiologist Ragnhild Gunderson, Oslo University Hospital, and to Lovisenberg Hospital and Akershus University Hospital for recruiting participants. We would also like to thank all the study participants.