[1] Guys & St Thomas NHS Fdn Trust, Guys Severe Asthma Ctr, London, England
[2] Kings Coll London, Sch Immunol & Microbial Sci, London, England
[3] Univ Michigan, Dept Med, Div Pulm & Crit Care Med, Ann Arbor, MI USA
[4] Univ Cambridge, Wellcome MRC Inst Metab Sci, Metab Res Labs, Cambridge, England
[5] Addenbrookes Hosp, Natl Inst Hlth Res, Cambridge Biomed Res Ctr, Cambridge, England
[6] Queens Univ Belfast, Wellcome Wolfson Inst Expt Med, Sch Med Dent & Biomed Sci, Belfast, North Ireland
[7] IKF Pneumol Mainz, Mainz, Germany
[8] Thoraxklin Heidelberg, Heidelberg, Germany
[9] Ghent Univ Hosp, Dept Resp Med, Ghent, Belgium
[10] Aix Marseille Univ, Dept Resp Dis, Marseille, France
[11] Amgen Inc, Global Med Affairs, Thousand Oaks, CA USA
[12] AstraZeneca, Resp & Immunol, BioPharmaceut Med, Cambridge, England
[13] Univ Leicester, Leicester, England
[14] AstraZeneca, Global Med Affairs, Resp & Immunol, BioPharmaceut R&D, Gothenburg, Sweden
[15] AstraZeneca, Biometr Late Stage Dev Resp & Immunol, BioPharmaceut R&D, Warsaw, Poland
[16] AstraZeneca, Resp & Immunol, BioPharmaceut Med, Gaithersburg, MD USA