[1] Gothenburg Univ, Sahlgrens Univ Hosp, Inst Clin Neurosci, Dept Neurol, S-41345 Gothenburg, Sweden
[2] Gothenburg Univ, Sahlgrens Univ Hosp, Dept Neurochem, Gothenburg, Sweden
[3] Gothenburg Univ, Sahlgrens Univ Hosp, Dept Psychiat, Gothenburg, Sweden