[1] Turku Univ Hosp, Dept Pathol, FIN-20520 Turku, Finland
[2] Univ Turku, Turku, Finland
[3] Karolinska Inst, Neurotec Dept, Stockholm, Sweden
[4] Karolinska Univ Hosp, Stockholm, Sweden
[5] Univ Gothenburg, Sahlgrenska Acad, Sect Psychiat, Gothenburg, Sweden
[6] Univ Uppsala, Dept Pathol, Uppsala, Sweden
[7] Acad Hosp, Uppsala, Sweden
[8] Univ Helsinki, Dept Pathol, Helsinki, Finland
[9] Univ Helsinki Hosp, Helsinki, Finland
[10] Univ Turku, Dept Geriatr Med, Turku, Finland
[11] Turku City Hosp, Turku, Finland