[1] Natl Jewish Hlth, Denver, CO USA
[2] Ghent Univ Hosp, Dept Resp Med, Ghent, Belgium
[3] Univ Rostock, Dept Pneumol, Rostock, Germany
[4] Univ Rostock, Dept Intens Care Med, Rostock, Germany
[5] Queens Univ Belfast, Wellcome Wolfson Inst Expt Med, Sch Med Dent & Biomed Sci, Belfast, Antrim, North Ireland
[6] AstraZeneca, Late Stage Dev Resp & Immunol, Biometr, BioPharmaceut R&D, Cambridge, England
[7] AstraZeneca, Late Stage Dev Resp & Immunol, BioPharmaceut R&D, Cambridge, England
[8] AstraZeneca, Resp & Immunol, Biopharmaceut Med, Cambridge, England
[9] Univ Leicester, Leicester, Leics, England
[10] Global Med Affairs, Thousand Oaks, CA USA
[11] Univ Copenhagen, Dept Resp Med, Bispebjerg Hosp, Copenhagen, Denmark
[12] Univ Copenhagen, Inst Clin Med, Copenhagen, Denmark
[13] Univ Leicester, Inst Lung Hlth, Natl Inst Hlth & Care Res, Leicester Biomed Res Ctr, Leicester, Leics, England