1. LSE Health, London School of Economics and Political Science (LSE), London, UK
2. European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden
3. ECOHOST, London School of Hygiene and Tropical Medicine, London, UK
4. European Observatory on Health Systems and Policies, London School of Hygiene and Tropical Medicine, London, UK
5. Department of Global Health and Social Medicine, Harvard School of Public Health, Harvard University, Boston, MA, USA
6. School of Medicine, University of Parma, Parma, Italy