Furunes, Håvard http://orcid.org/0000-0003-0237-4199
Hellum, Christian
Brox, Jens Ivar
Rossvoll, Ivar
Espeland, Ansgar
Berg, Linda
Brøgger, Helga Maria
Småstuen, Milada Cvancarova
Storheim, Kjersti
Funding for this research was provided by:
South Eastern Norway Regional Health Authority (2007082)
EXTRA funds from the Norwegian Foundation for Health and Rehabilitation through the Norwegian Back Pain Association (2012/2/0236)