1. Netherlands Institute for Health Services Research (Nivel), Utrecht, the Netherlands
2. School of Public Health, Nanjing Medical University, Nanjing, China
3. Centre for Global Health, Usher Institute, University of Edinburgh, Edinburgh, UK
4. Foundation for Influenza Epidemiology, Fondation de France, Paris, France
5. Institute of Health Metrics and Evaluation, University of Washington, Seattle, USA
6. Fogarty International Center, National Institutes of Health, Bethesda, USA