<affiliation wicri:level="2"><nlm:affiliation>Division of Pulmonary, Critical Care, Sleep and Allergy Medicine, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, Nebraska;</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Nebraska</region>
</placeName>
<wicri:cityArea>Division of Pulmonary, Critical Care, Sleep and Allergy Medicine, Department of Internal Medicine, University of Nebraska Medical Center, Omaha</wicri:cityArea>
</affiliation>