[1] Univ Gothenburg, Inst Neurosci & Physiol, Dept Hlth & Rehabil, S-40530 Gothenburg, Sweden
[2] Skaraborgs Hosp Skovde, Dept Physiotherapy, Skovde, Sweden
[3] Univ West, Dept Hlth Sci, Trollhattan, Sweden
[4] Skaraborg Inst Res & Dev, Skovde, Sweden
[5] Skaraborg Hosp Skovde, Res & Dev Ctr, Skovde, Sweden
[6] Sahlgrens Univ Hosp, Dept Physiotherapy, Gothenburg, Sweden