[1] Univ Gothenburg, Sahlgrenska Acad, Inst Neurosci & Physiol, Dept Clin Neurosci Rehabil Med, Gothenburg, Sweden
[2] Sahlgrens Univ Hosp, Dept Occupat Therapy & Physiotherapy, Gothenburg, Sweden
[3] Sahlgrens Univ Hosp, Neurocare, Gothenburg, Sweden
[4] Univ Gothenburg, Inst Neurosci & Physiol, Sahlgrenska Acad, Dept Hlth & Rehabil, Gothenburg, Sweden
[5] Univ Gothenburg, Inst Neurosci & Physiol, Sahlgrenska Acad, Dept Clin Neurosci Rehabil Med, Box 455, SE-40530 Gothenburg, Sweden