[1] Lund Univ, Fac Med, Dept Clin Sci Malmo, Clin Memory Res Unit, Lund, Sweden
[2] Skane Univ Hosp, Dept Neurol, Lund, Sweden
[3] Lund Univ, Wallenberg Ctr Mol Med, Lund, Sweden
[4] Skane Univ Hosp, Memory Clin, SE-20502 Malmo, Sweden
[5] F Hoffmann La Roche Ltd, Basel, Switzerland
[6] Roche Diagnost Int Ltd, Rotkreuz, Switzerland
[7] Roche Diagnost GmbH, Penzberg, Germany
[8] Univ Fed Rio Grande do Sul UFRGS, Grad Program Biol Sci Biochem, Porto Alegre, RS, Brazil
[9] Univ Gothenburg, Sahlgrenska Acad, Dept Psychiat & Neurochem, Molndal, Sweden
[10] Sahlgrens Univ Hosp, Clin Neurochem Lab, Molndal, Sweden
[11] UCL Inst Neurol, Dept Neurodegenerat Dis, Queen Sq, London, England
[12] UCL, UK Dementia Res Inst, London, England
[13] Hong Kong Ctr 27 Neurodegenerat Dis, Hong Kong, Peoples R China