[1] Karolinska Inst, Dept Neurobiol, Div Physiotherapy, Care Sci & Soc, Alfred Nobles Alle 23, S-17177 Stockholm, Sweden
[2] Sunnnas Rehabil Hosp, Dept Res, Oslo, Norway
[3] Stockholm Cty Council, Ctr Psychiat Res, Stockholm, Sweden
[4] Karolinska Inst, S-10401 Stockholm, Sweden
[5] Karolinska Univ Hosp, Allied Hlth Profess Funct, Stockholm, Sweden