[1] Univ Hosp Bristol, Natl Inst Hlth Res Appl Res Collaborat West NIHR, Bristol, Avon, England
[2] Weston NHS Fdn Trust, Bristol, Avon, England
[3] Univ Manchester, NIHR Greater Manchester Patient Safety Translat R, Ctr Primary Care, Manchester, Lancs, England
[4] Univ Bristol, Dept Philosophy, Sch Oral & Dent Sci, Bristol, Avon, England
[5] UCL, Res Dept Primary Care & Populat Hlth, London, England
[6] Univ Warwick, Unit Acad Primary Care, Coventry, W Midlands, England
[7] Univ Bristol, Bristol, Avon, England
[8] Univ Bristol, NIHR Hlth Protect Res Unit Behav Sci & Evaluat, Populat Hlth Sci, Bristol, Avon, England
[9] Univ Oxford, Nuffield Dept Primary Care Hlth Sci, Oxford, England
[10] Univ Leeds, Sch Sociol & Social Policy, Leeds, W Yorkshire, England
[11] Univ Hosp Bristol, NIHR ARC West, Bristol, Avon, England
[12] Univ Bristol, Bristol Med Sch, Weston NHS Fdn Trust, Bristol Ctr Acad Primary Care, Bristol, Avon, England