1. Health Economics Research Group, Institute of Environment, Health and Societies; Brunel University London; London UK
2. School of Epidemiology, Public Health and Preventative Medicine; University of Ottawa; Ottawa ON Canada
3. LeLan Solutions; Bristol UK
4. Department of Epidemiology and Public Health; University College London; London UK
5. Syreon Research Institute; Budapest Hungary
6. Department of Health Services Research, School for Public Health and Primary Care (CAPHRI); Maastricht University; Maastricht the Netherlands
7. Centre of Research in Economics and Health (CRES-UPF); University Pompeu Fabra; Barcelona Spain
8. Faculty of Economics and Social Sciences; Universitat Internacional de Catalunya (UIC); Barcelona Spain
9. Institute of Health Economics and Health Care Management, Helmholtz Zentrum München (GmbH)-German Research Center for Environmental Health, Comprehensive Pneumology Center Munich (CPC-M); Member of the German Center for Lung Research (DZL); Neuherberg Germany
10. Munich Center of Health Sciences; Ludwig-Maximilians-University; Munich Germany