Hellevik, Alf Inge
Johnsen, Marianne Bakke
Langhammer, Arnulf
Fenstad, Anne Marie
Furnes, Ove
Storheim, Kjersti
Zwart, John Anker
Flugsrud, Gunnar
Nordsletten, Lars
Funding for this research was provided by:
Liaison Committee between the Central Norway Regional Health Authority (RHA) and the Norwegian University of Science and Technology (NTNU)
Dr. Egil Kjeldaas foundation (Lege Egil Kjeldaas legat)
the Norwegian Orthopaedic Association
Levanger Hospital, Nord-Trøndelag Hospital Trust