<affiliation wicri:level="2"><nlm:affiliation>Institute for Health & Aging and Department of Social and Behavioral Sciences, University of California San Francisco, San Francisco, California, United States of America.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Institute for Health & Aging and Department of Social and Behavioral Sciences, University of California San Francisco, San Francisco, California</wicri:regionArea>
<placeName><region type="state">Californie</region>
</placeName>
</affiliation>