[1] Univ Surrey, Dept Hlth Care Management & Policy, Guildford GU2 5XH, Surrey, England
[2] Univ Edinburgh, Sch Med, Ctr Populat Hlth Sci, Edinburgh, Midlothian, Scotland
[3] Univ London Imperial Coll Sci Technol & Med, Dept Primary Care & Publ Hlth, Fac Med, London, England
[4] Univ Leeds, Leeds Inst Hlth Sci, Leeds, W Yorkshire, England
[5] Univ Surrey, Fac Hlth & Med Sci, Guildford GU2 5XH, Surrey, England
[6] Royal Coll Gen Practitioners, Clin Innovat & Res Ctr CIRC, London, England
[7] Hlth & Social Care Informat Ctr HSCIC, Leeds, W Yorkshire, England
[8] Univ Dundee, Dundee, Scotland
[9] Univ Cent Lancashire, Sch Hlth, Preston PR1 2HE, Lancs, England
[10] St Georges Univ London, London, England
[11] UCL Partners, London, England
[12] Univ Warwick, Inst Digital Healthcare, WMG, Coventry CV4 7AL, W Midlands, England
[13] Belvidere Med Practice, Shrewsbury, Shrops, England