1. Faculty of Health Sciences, Oslo Metropolitan University, St. Olavs plass 4, 0130 Oslo, Norway
2. Diakonhjemmet Hospital, Center for Treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), Norwegian National Advisory Unit on Rehabilitation in Rheumatology (NKRR), Diakonveien 12, 0370 Oslo, Norway
3. The Norwegian Federation of Organizations of Disabled People, Mariboesgate 13, 0183 Oslo, Norway
4. Muritunet Rehabilitation Center, Grandegata 58, 6210 Sylte, Norway
5. Røysumtunet Rehabilitation Center, Røysumlinna 41, 2770 Jaren, Norway
6. Sørlandet Rehabilitation Center, Ola Garsons vei 1, 4596 Eiken, Norway
7. Helsepartner Rehabilitation Center, Follumsvei 1, 9510 Alta, Norway
8. Catosenteret Rehabilitation Center, Kvartsveien 2, 1555 Store Brevik, Norway