About the Authors

Saskia P. Hagenaars

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliations Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom, Department of Psychology, University of Edinburgh, Edinburgh, United Kingdom, MRC Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, Denmark Hill, London, United Kingdom

Ratko Radaković

Roles Conceptualization, Formal analysis, Writing – original draft, Writing – review & editing

Affiliations Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom, Department of Psychology, University of Edinburgh, Edinburgh, United Kingdom, Alzheimer Scotland Dementia Research Centre, University of Edinburgh, Edinburgh, United Kingdom, Anne Rowling Regenerative Neurology Clinic, University of Edinburgh, Edinburgh, United Kingdom, Euan MacDonald Centre for Motor Neurone Disease Research, University of Edinburgh, Edinburgh, United Kingdom, Faculty of Medicine and Health Sciences, University of East Anglia, Norwich Research Park, Norwich, United Kingdom

Christopher Crockford

Roles Conceptualization, Writing – original draft, Writing – review & editing

Affiliations Department of Psychology, University of Edinburgh, Edinburgh, United Kingdom, Euan MacDonald Centre for Motor Neurone Disease Research, University of Edinburgh, Edinburgh, United Kingdom

Chloe Fawns-Ritchie

Roles Formal analysis, Writing – review & editing

Affiliations Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom, Department of Psychology, University of Edinburgh, Edinburgh, United Kingdom

International FTD-Genomics Consortium (IFGC)

Membership of the International FTD-Genomics Consortium (IFGG) is provided in the Acknowledgments.

Sarah E. Harris

Roles Supervision, Writing – review & editing

Affiliations Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom, Medical Genetics Section, University of Edinburgh Centre for Genomic and Experimental Medicine and MRC Institute of Genetics and Molecular Medicine, Western General Hospital, Edinburgh, United Kingdom

Catharine R. Gale

Contributed equally to this work with: Catharine R. Gale, Ian J. Deary

Roles Project administration, Supervision, Writing – review & editing

Affiliations Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom, Department of Psychology, University of Edinburgh, Edinburgh, United Kingdom, MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, United Kingdom

Ian J. Deary

Contributed equally to this work with: Catharine R. Gale, Ian J. Deary

Roles Project administration, Supervision, Writing – review & editing

ian.deary@ed.ac.uk

Affiliations Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom, Department of Psychology, University of Edinburgh, Edinburgh, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.