[1] Natl Inst Hlth & Care Res NIHR, London, England
[2] Univ Manchester, NIHR Sch Primary Care Res, Manchester, England
[3] Univ Manchester, NIHR Greater Manchester Patient Safety Translat R, Manchester, England
[4] Univ Manchester, NIHR Sch Primary Care Res, Gen Practice, Manchester, England
[5] Univ Manchester, NIHR Sch Primary Care Res, Data Sci & Hlth Serv Res, Manchester, England
[6] Univ Manchester, Div Informat, Manchester, England
[7] Univ Manchester, Manchester Ctr Hlth Econ, Manchester, England
[8] Univ Manchester, Pharmacoepidemiol, NIHR Sch Primary Care Res, Manchester, England
[9] Univ Manchester, Ctr Pharmacoepidemiol & Drug Safety, Manchester, England
[10] Keele Univ, Sch Med, Gen Practice Res, Keele, England
[11] Univ Exeter, Exeter Collaborat Acad Primary Care, Primary Care & Clin Pharmacol, Med Sch, Exeter, England
[12] Univ Southampton, Primary Care Res Ctr, Primary Care Res, Southampton, England
[13] Univ Oxford, Nuffield Dept Primary Care Hlth Sci, Primary Care & Clin Informat, Oxford, England
[14] Royal Coll Gen Practitioners Res & Surveillance C, London, England