<affiliation wicri:level="4"><nlm:affiliation>Division of Respiratory Medicine and Nottingham Respiratory Biomedical Research Unit, University of Nottingham, City Hospital, Nottingham, UK; and linhua.pang@nottingham.ac.uk.</nlm:affiliation>
<country wicri:rule="url">Royaume-Uni</country>
<wicri:regionArea>Division of Respiratory Medicine and Nottingham Respiratory Biomedical Research Unit, University of Nottingham, City Hospital, Nottingham</wicri:regionArea>
<orgName type="university">Université de Nottingham</orgName>
<placeName><settlement type="city">Nottingham</settlement>
<region type="nation">Angleterre</region>
<region type="région" nuts="1">Nottinghamshire</region>
</placeName>
</affiliation>