1. Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, UK
2. UMR Vitrome, Aix-Marseille Université, IHU Méditerrannée, IRD, Marseille, France
3. Southeastern Health Regional Observatory (ORS Paca),Aix-Marseille Université, Marseille, France
4. Department of Global Health and Development, London School of Hygiene & Tropical Medicine, London, UK
5. Centre for the Evaluation of Vaccination, Vaccine and Infectious Disease Institute, University of Antwerp, Antwerp, Belgium