PH is a Reader and Head of Department of Clinical Sciences. She has a Masters in Occupational Therapy and a PhD in Psychology. HY is a research fellow in evidence synthesis at the Centre for Reviews and Dissemination. She has a PhD in Health Sciences and an MSc in Evidence Based Practice. MD is a postdoctoral Research Fellow and has a Masters in Health Psychology and a PhD in Health Sciences. MG is a Professor of Health Studies and Gerontology. KG is a Research Professor in Quantitative Gerontology with expertise in statistics and cognition. CT is Professor of Health Services Research.