[1] Univ Oxford, Nuffield Dept Clin Med, Oxford Resp NIHR Biomed Res Ctr, Oxford, England
[2] Univ Glasgow, Inst Infect Immun & Inflammat, Glasgow, Lanark, Scotland
[3] Univ Birmingham, Birmingham, W Midlands, England
[4] Univ Hosp Birmingham NHS Fdn Trust, Heartlands Hosp, Birmingham, W Midlands, England
[5] Queens Univ, Belfast Sch Med Dent & Biomed Sci, Ctr Expt Med, Belfast, Antrim, North Ireland
[6] Queens Univ, Belfast Sch Med Dent & Biomed Sci, Ctr Expt Med, Oxford, England
[7] Univ Manchester, Div Infect Immun & Resp Med, Manchester, Lancs, England
[8] Univ Leicester, Dept Resp Sci, Leicester, Leics, England