1. Center for Treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), Norwegian National Advisory Unit on Rehabilitation in Rheumatology (NKRR), Diakonhjemmet Hospital, Diakonveien 12, 0370 Oslo, Norway
2. Faculty of Medicine, University of Oslo, Sognsvannsveien 9, 0372 Oslo, Norway
3. Norwegian National Advisory Unit on Occupational Rehabilitation, Haddlandsvegen 20, 3864 Rauland, Norway
4. CatoSenteret Rehabilitation Centre, Kvartsveien 2, 1555 Store Brevik, Norway
5. Avonova Rehabilitation Centre, Kapteinveien 9, 3512 Hønefoss, Norway
6. Vikersund Rehabilitation Centre AS, Haaviks vei 25, 3370 Vikersund, Norway
7. The Norwegian Federation of Organizations of Disabled People, Mariboesgate 13, 0183 Oslo, Norway
8. Hernes Occupational Rehabilitation Centre, Instituttvegen 34, 2410 Hernes, Norway
9. Faculty of Health Sciences, Oslo Metropolitan University, Pilestredet 46, 0167 Oslo, Norway
10. Muritunet, Grandegata 58, 6210 Sylte, Norway
11. Sørlandet Rehabilitation Centre, Ola Garsons vei 1, 4596 Eiken, Norway
12. Skogli Health- and Rehabilitation Centre, Fredrik Colletts veg 13, 2614 Lillehammer, Norway
13. Red Cross Haugland Rehabilitation Centre, Hauglandsvegen 308, 6968 Flekke, Norway
14. School of Medicine, Keele University, Keele ST5 5BG, Staffordshire, UK