1. Centre of Research in Economics and Health (CRES-UPF) University Pompeu Fabra; Barcelona Spain
2. Faculty of Economics and Social Sciences; Universitat Internacional de Catalunya (UIC); Barcelona Spain
3. 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
4. Munich Center of Health Sciences; Ludwig-Maximilians-University; Munich Germany
5. Health Economics Research Group, Institute of Environment, Health and Societies; Brunel University London; Uxbridge UK
6. Department of Epidemiology and Community Medicine, Faculty of Medicine; University of Ottawa; Ottawa Canada
7. Faculty of Social Sciences, Department of Health Policy and Health Economics; Eötvös Loránd University, and Syreon Research Institute; Budapest Hungary
8. CAPHRI Care and Public Health Research Institute, Department of Health Services Research; Maastricht University; Maastricht the Netherlands