1. The Hospital for Sick Children, Toronto, ON, Canada
2. University of Toronto, Toronto, ON, Canada
3. University College London, London, UK
4. Department of Health Management and Health Economics, Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway
5. Cancer Outcomes, Public Policy and Effectiveness Research (COPPER) Center, Yale University School of Medicine and Yale Cancer Center, New Haven, CT, USA
6. Department of Epidemiology and Biostatistics, Amsterdam UMC, Amsterdam, the Netherlands
7. LINK Medical Research, Oslo, Norway
8. MRC Biostatistics Unit, University of Cambridge, Cambridge, UK
9. School of Health and Related Research, University of Sheffield, Sheffield, UK
10. Center for Research and Teaching in Economics (CIDE)
11. Stanford Health Policy, Centers for Health Policy and Primary Care and Outcomes Research, Stanford University, Stanford, CA, USA
12. Harvard T. H. Chan School of Public Health, Boston, MA, USA
13. University of Pittsburgh, Pittsburgh, PA, USA