[1] Univ Manchester, Manchester Univ NHS Fdn Hosp Trust, Med Evaluat Unit, Manchester, Lancs, England
[2] Kings Coll London, Sch Immunol & Microbial Sci, Fac Life Sci & Med, Kings Ctr Lung Hlth, London, England
[3] AstraZeneca, Gaithersburg, MD USA
[4] AstraZeneca, Cambridge, England