About the Authors

Lyzel S. Elias-Sonnenschein

Contributed equally to this work with: Lyzel S. Elias-Sonnenschein, Seppo Helisalmi

Affiliation Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Alzheimer Center Limburg, Maastricht University, Maastricht, The Netherlands

Seppo Helisalmi

Contributed equally to this work with: Lyzel S. Elias-Sonnenschein, Seppo Helisalmi

seppo.helisalmi@uef.fi

Affiliation Institute of Clinical Medicine-Neurology, University of Eastern Finland and Department of Neurology, Kuopio University Hospital, Kuopio, Finland

Teemu Natunen

Affiliation Institute of Clinical Medicine-Neurology, University of Eastern Finland and Department of Neurology, Kuopio University Hospital, Kuopio, Finland

Anette Hall

Affiliation Institute of Clinical Medicine-Neurology, University of Eastern Finland and Department of Neurology, Kuopio University Hospital, Kuopio, Finland

Teemu Paajanen

Current address: Cognition and Work Team, Finnish Institute of Occupational Health, Helsinki, Finland

Affiliation Institute of Clinical Medicine-Neurology, University of Eastern Finland and Department of Neurology, Kuopio University Hospital, Kuopio, Finland

Sanna-Kaisa Herukka

Affiliation Institute of Clinical Medicine-Neurology, University of Eastern Finland and Department of Neurology, Kuopio University Hospital, Kuopio, Finland

Marjo Laitinen

Affiliation Institute of Clinical Medicine-Neurology, University of Eastern Finland and Department of Neurology, Kuopio University Hospital, Kuopio, Finland

Anne M. Remes

Affiliation Institute of Clinical Medicine-Neurology, University of Eastern Finland and Department of Neurology, Kuopio University Hospital, Kuopio, Finland

Anne M. Koivisto

Affiliation Institute of Clinical Medicine-Neurology, University of Eastern Finland and Department of Neurology, Kuopio University Hospital, Kuopio, Finland

Kari M. Mattila

Affiliation Department of Clinical Chemistry, Fimlab Laboratories and School of Medicine, University of Tampere, Tampere, Finland

Terho Lehtimäki

Affiliation Department of Clinical Chemistry, Fimlab Laboratories and School of Medicine, University of Tampere, Tampere, Finland

Frans R. J. Verhey

Affiliation Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Alzheimer Center Limburg, Maastricht University, Maastricht, The Netherlands

Pieter Jelle Visser

Affiliations Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Alzheimer Center Limburg, Maastricht University, Maastricht, The Netherlands, Department of Neurology, Alzheimer Center, VU University Medical Center Amsterdam, Amsterdam, The Netherlands

Hilkka Soininen

Affiliation Institute of Clinical Medicine-Neurology, University of Eastern Finland and Department of Neurology, Kuopio University Hospital, Kuopio, Finland

Mikko Hiltunen

Affiliation Institute of Clinical Medicine-Neurology, University of Eastern Finland and Department of Neurology, Kuopio University Hospital, Kuopio, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Critical revision/comments of the paper: SH PJV TN AH TP SKH ML AMR AMK KMM TL FRJV HS MH. Conceived and designed the experiments: LSES PJV SH MH. Performed the experiments: SH SKH ML LSES. Analyzed the data: SH AH PJV LSES. Contributed reagents/materials/analysis tools: SH MH AMR TL KMM. Wrote the paper: LSES.