1 School of Public Health, University of Alberta, Edmonton, AB, Canada. Electronic address: [email protected].
2 Office of Health Economics, London, England, UK.
3 School of Economics, University College Dublin, Dublin, Ireland.
4 Community Health Sciences, University of Calgary, Calgary, AB, Canada.
5 Centre for Public Health and Queens Management School, Queens University Belfast, Belfast, Northern Ireland, UK.
6 Institute of Health Economics, Edmonton, AB, Canada; Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada.
7 Health Economics Group, University of Exeter, Exeter, England, UK.