1 Centre for Health Economics, University of York, York, UK.
2 Yale University School of Public Health, New Haven, CT, USA.
3 Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, ON, Canada.
4 Department of Epidemiology and Medical Technology Assessment (KEMTA), Maastricht Health Economics and Technology Assessment (Maastricht HETA) Center, Maastricht University Medical Center, Maastricht, Netherlands.
5 Department for Health Evidence, Radboud Institute for Health Sciences, Radboudumc, Nijmegen, The Netherlands.
6 School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON, Canada.
7 Institute of Health Economics, Edmonton, AB, Canada.
8 Department of Health Technology & Services Research, TechMed Centre, University of Twente, Enschede, the Netherlands.
9 Peninsula Technology Assessment Group, University of Exeter, Exeter, UK.
10 Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.
11 Department of Statistical Science, University College London, London, UK.