1. Centre for Economic and Social Research on Dementia, Institute for Lifecourse and Society, National University of Ireland, Galway, Ireland
2. J.E. Cairnes School of Business and Economics, Upper Newcastle, National University of Ireland, Galway, Ireland
3. Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada. Institute of Health Management, Policy and Evaluation, University of Toronto, Toronto, Canada
4. Faculty of Science and Health, Dublin City University, Dublin, Ireland