[1] Univ Exeter, Ctr Res Ageing & Cognit Hlth, Exeter, Devon, England
[2] Univ Exeter, PenCLAHRC, Med Sch, Exeter, Devon, England
[3] Australian Natl Univ, Ctr Res Excellence Cognit Hlth, Canberra, ACT, Australia
[4] Fettes Coll, Edinburgh, Midlothian, Scotland
[5] Bangor Univ, Wales Sch Social Care Res, Bangor, Wales
[6] Univ Edinburgh, Psychol PPLS, Edinburgh, Midlothian, Scotland
[7] Univ Edinburgh, Euan MacDonald Ctr Motor Neurone Dis Res, Edinburgh, Midlothian, Scotland
[8] Kings Coll London, Inst Psychiat Psychol & Neurosci, London, England
[9] Univ Reading, Sch Psychol & Clin Language Sci, Reading, Berks, England
[10] UCL, Inst Neurol, London, England
[11] Royal Holloway Univ London, Dept Psychol, London, England
[12] Salford Royal NHS Fdn Trust, Cerebral Funct Unit, Salford, Lancs, England
[13] Walton Ctr NHS Fdn Trust, Liverpool, Merseyside, England
[14] Univ Hull, Hull York Med Sch, Kingston Upon Hull, N Humberside, England
[15] Cardiff Univ, Sch Med, Cardiff, S Glam, Wales