<affiliation wicri:level="2"><nlm:affiliation>Division of Modeling and Simulation, Center for Financing, Access and Cost Trends, Agency for Healthcare Research and Quality, Rockville, MD 20782, USA. emiller@ahrq.gov</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Division of Modeling and Simulation, Center for Financing, Access and Cost Trends, Agency for Healthcare Research and Quality, Rockville, MD 20782</wicri:regionArea>
<placeName><region type="state">Maryland</region>
</placeName>
</affiliation>