[1] Natl Hosp Neurol & Neurosurg, Dept Neuropsychol, Queen Sq,Box 37, London WC1N 3BG, England
[2] Natl Hosp Neurol & Neurosurg, Occupat Therapy Dept, Queen Sq, London, England
[3] Univ Coll London Hosp NHS Trust, Comprehens Stroke Serv, London, England
[4] Univ Coll London Hosp NHS Trust, UCL Queen Sq Inst Neurol, Dept Brain Repair & Rehabil, Ctr Stroke Res, Russell Sq House, London, England