[1] Univ Nottingham, Ctr Rehabil & Ageing Res, Nottingham, England
[2] Univ Leeds, Acad Unit Ageing & Stroke Res, Leeds, W Yorkshire, England
[3] Kings Coll London, Sch Populat & Environm Sci, London, England
[4] Univ Leeds, Clin Trials Res Unit, Leeds, W Yorkshire, England
[5] Univ Cent Lancashire, Sch Nursing, Fac Hlth & Care, Preston, Lancs, England
[6] Univ Manchester, Stroke Res, Manchester, Lancs, England
[7] Univ Nottingham, Ctr Rehabil & Ageing Res, PPI Partner, Nottingham, England
[8] Univ Leeds, Acad Dept Rehabil Med, Leeds, W Yorkshire, England
[9] Univ East Anglia, Norwich Med Sch, Norwich, Norfolk, England