Affiliation: | 1. J.E. Cairnes School of Business and Economics, National University of Ireland Galway, Galway, Ireland;2. Centre for Research in Medical Devices and Health Economics and Policy Analysis Centre, National University of Ireland Galway, Galway, Ireland;3. Centre for Public Health, Queen''s University of Belfast, Belfast, Northern Ireland;4. School of Public Health, University of Alberta, Edmonton, Alberta, Canada |