∗Department of Surgery, Innlandet Hospital Gjøvik, Gjøvik, Norway
†University of Oslo, Oslo, Norway
‡Research- and Comunication Unit for Musculoskeletal Health, Oslo University Hospital Ullevål, Oslo, Norway
§Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway
¶Department of Radiology, Haukeland University Hospital, Bergen, Norway
||University of Bergen, Bergen, Norway
∗∗Department for Physical Medicine and Rehabilitation, Oslo University Hospital, Oslo, Norway
††Faculty of Health Sciences, Oslo Metropolitan University, OSLO, Norway
‡‡Department of Radiology, Nordland Hospital, Bodø, Norway
§§Department of Clinical Medicine, Faculty of Health Sciences, University of Tromsø, Tromsø, Norway.
Address correspondence and reprint requests to Håvard Furunes, MD, Department of Surgery, Innlandet Hospital Gjøvik, Kyrre Grepps Gate 11, 2819 Gjøvik, Norway; E-mail: [email protected]
Received 23 January, 2018
Revised 19 April, 2018
Accepted 25 April, 2018
The device(s)/drug(s) is/are FDA-approved or approved by corresponding national agency for this indication.
EXTRA funds from the Norwegian Foundation for Health and Rehabilitation through the Norwegian Back Pain Association (an idealistic organization) and Oslo University Hospital, South Eastern Norway Regional Health Authority (2007082) funds were received in support of this work.
No relevant financial activities outside the submitted work.
