[1] Northwick Pk Hosp & Clin Res Ctr, Care Older People, London, England
[2] Keele Univ, Univ Hosp North Midlands, Stroke Res, Keele, Staffs, England
[3] Royal Derby Hosp, Stroke, Derby, England
[4] Salford Royal Hosp, Nutr, Salford, Lancs, England
[5] Univ Reading, Sch Psychol & Clin Language Sci, Reading RG6 2AH, Berks, England
[6] Univ Manchester, Inst Inflammat & Repair, Manchester M13 9PL, Lancs, England
[7] Univ Nottingham, Div Clin Neurosci, Stroke Trials Unit, Nottingham NG7 2RD, England
[8] Northwick Pk Hosp & Clin Res Ctr, Speech & Language, Harrow, Middx, England
[9] Royal Victoria Hosp, Speech & Language, Belfast, Antrim, North Ireland
[10] Leeds Teaching Hosp, Neurol, Leeds, W Yorkshire, England
[11] Univ Manchester, Stroke & Vasc Res Ctr, Manchester M13 9PL, Lancs, England
[12] Princess Royal Univ Hosp, Elderly Med, Orpington, Kent, England
[13] Univ Hosp North Midlands, Acute Stroke Unit, Stoke On Trent, Staffs, England
[14] Univ Cent Lancashire, Coll Hlth & Wellbeing, Preston PR1 2HE, Lancs, England