[1] Univ East Anglia, Norwich Med Sch, Norwich, Norfolk, England
[2] London Sch Econ, Psychol & Behav Sci, London, England
[3] Kings Coll London, GKT Sch Med Educ, London, England
[4] Yale Univ, Sch Med, Dept Neurosurg, New Haven, CT USA
[5] Maastricht Univ, Dept Int Hlth, Care & Publ Hlth Res Inst, Maastricht, Netherlands
[6] Lancet & Financial Times Commiss Governing Hlth F, Global Hlth Ctr, Grad Inst, CH-1211 Geneva, Switzerland
[7] European Publ Hlth Assoc EUPHA, Steering Comm, Digital Hlth Sect, Utrecht, Netherlands
[8] Kings Coll London, Sch Populat Hlth & Environm Sci, London, England
[9] Kings Coll London, Sch Biomed Engn & Imaging Sci, London, England
[10] Kings Coll Hosp London, Dept Neurosurg, London, England