Rebnord, Eirik W.
Strand, Elin
Midttun, Øivind
Svingen, Gard F.T.
Christensen, Monika H.E.
Ueland, Per M.
Mellgren, Gunnar
Njølstad, Pål R.
Tell, Grethe S.
Nygård, Ottar K.
Pedersen, Eva R.
Funding for this research was provided by:
Norwegian Health Association and the Norwegian Extra Foundation for Health and Rehabilitation through EXTRA funds (Grant number: 2014/FOM5642)