[1] Univ Nottingham, Sch Med, NIHR Nottingham BRC Resp Theme, Clin Sci Bldg,City Hosp Campus,Hucknall Rd, Nottingham NG5 1PB, England
[2] Univ Nottingham, Sch Med, Div Epidemiol & Publ Hlth, City Hosp Campus, Nottingham, England
[3] Pk Med Partnership, Shepton Mallet, England
[4] Nottingham Univ Hosp Trust, Dept Geriatr Med, Nottingham, England
[5] Resp Care Solut, Dept Resp, Leeds, W Yorkshire, England
[6] Imperial Healthcare NHS Trust, Dept Pharm, St Marys Hosp, London, England
[7] Eastwood Primary Care Ctr, Nottingham, England
[8] Univ Hosp Leicester NHS Trust, Dept Pharm, Leicester, Leics, England
[9] Univ Hosp Leicester NHS Trust, Dept Resp Sci, Leicester, Leics, England
[10] Univ Leicester, Dept Resp Sci, Leicester, Leics, England
[11] Saxon Cross Surg, Nottingham, England
[12] Royal Wolverhampton NHS Trust, Fac Med, Wolverhampton, W Midlands, England