[1] Norwegian Univ Sci & Technol NTNU, Fac Med & Hlth, Dept Neuromed & Movement Sci INB, N-7491 Trondheim, Norway
[2] Oslo Metropolitan Univ OsloMet, Fac Hlth Sci, Dept Rehabil Sci & Hlth Technol, Postboks 4, N-0130 Oslo, Norway
[3] Univ Manchester, Sch Hlth Sci, Div Nursing Social Work & Midwifery, Jean McFarlane Bldg,Oxford Rd, Manchester M13 9PL, England
[4] Trondheim Reg & Univ Hosp, St Olavs Hosp, Clin Rehabil, Trondheim, Norway