机构:
NHS Informat Ctr Hlth & Social Care, Audit Support Unit, Leeds, W Yorkshire, EnglandUniv Nottingham, Div Epidemiol & Publ Hlth, Nottingham NG7 2RD, England
机构:
Univ Nottingham, Div Epidemiol & Publ Hlth, Nottingham NG7 2RD, England
City Hosp Nottingham, Resp Med Biomed Res Unit, Nottingham, EnglandUniv Nottingham, Div Epidemiol & Publ Hlth, Nottingham NG7 2RD, England