<affiliation wicri:level="2"><nlm:affiliation>Department of Microbiology and Immunobiology, Harvard Medical School, Division of Infectious Diseases, Department of Medicine, Brigham & Women's Hospital, and HHMI, Boston, Massachusetts, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Microbiology and Immunobiology, Harvard Medical School, Division of Infectious Diseases, Department of Medicine, Brigham & Women's Hospital, and HHMI, Boston, Massachusetts</wicri:regionArea>
<placeName><region type="state">Massachusetts</region>
</placeName>
</affiliation>