[1] Karolinska Inst, Dept Med Epidemiol & Biostat, Stockholm, Sweden
[2] Karolinska Univ Hosp, Dept Neurol, R52-R54, S-14186 Stockholm, Sweden
[3] Karolinska Inst, Dept Clin Neurosci, Stockholm, Sweden
[4] Karolinska Univ Hosp, Funct Area Occupat Therapy & Physiotherapy, Stockholm, Sweden
[5] Karolinska Inst, Dept Neurobiol Care Sci & Soc, Stockholm, Sweden
[6] Umea Univ, Dept Clin Neurosci, Stockholm, Sweden