<affiliation wicri:level="4"><nlm:affiliation>Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge, UK; Department of Infectious Disease Epidemiology, Faculty of Epidemiology and Public Health, London School of Hygiene and Tropical Medicine, London, UK. Electronic address: pklepac@alum.mit.edu.</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge, UK; Department of Infectious Disease Epidemiology, Faculty of Epidemiology and Public Health, London School of Hygiene and Tropical Medicine, London</wicri:regionArea>
<placeName><settlement type="city">Londres</settlement>
<region type="country">Angleterre</region>
<region type="région" nuts="1">Grand Londres</region>
</placeName>
<orgName type="university">Université de Cambridge</orgName>
</affiliation>