[1] UCL, UCL Queen Sq Inst Neurol, Dementia Res Ctr, London, England
[2] Nipissing Univ, Fac Educ & Profess Studies, Sch Social Work, Nipissing, ON, Canada
[3] Bangor Univ, Dementia Serv Dev Ctr, Bangor, Wales
[4] UCL, Dept Clin Educ & Hlth Psychol, UCL Div Psychol & Language Sci, London, England