<affiliation wicri:level="1"><nlm:aff id="I1">Division of Surveillance, Hazard Evaluations and Field Studies; Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health; Cincinnati, Ohio, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Division of Surveillance, Hazard Evaluations and Field Studies; Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health; Cincinnati, Ohio</wicri:regionArea>
</affiliation>