[1] Univ Hosp Birmingham NHS Fdn Trust, Dept Resp Med, Birmingham, W Midlands, England
[2] Queen Alexandra Hosp, Resp, Portsmouth, Hants, England
[3] Univ Hosp Leicester, Resp, Leicester, Leics, England
[4] North Bristol NHS Trust, Acad Resp Unit, Bristol, Avon, England
[5] North Bristol NHS Trust, Bristol, Avon, England
[6] Sheffield Teaching Hosp, Sheffield, S Yorkshire, England
[7] Univ Manchester, Div Canc Sci, Manchester, Lancs, England
[8] Univ Leicester, Leicester, Leics, England
[9] Univ Hosp Leicester, Leicester, Leics, England
[10] Pk Med Practice, Shepton Mallet, England
[11] Univ Aberdeen, Pathol, Aberdeen, Scotland
[12] Genfield Hosp, Dept Thorac Surg, Leicester, Leics, England
[13] North Tyneside Gen Hosp, North Shields, England
[14] Univ Oxford, Oxford NIHR Biomed Res Ctr, Oxford, England
[15] Papworth Hosp, Thorac Oncol, Cambridge, England
[16] St Bartholomews Hosp, Canc, London, England
[17] Queen Elizabeth Univ Hosp, Med, Glasgow, Lanark, Scotland
[18] Univ Bristol, Bristol Med Sch, Acad Resp Unit, Bristol, Avon, England