[1] Fakenham Med Practice, Fakenham Weight Management Serv, Fakenham, England
[2] Univ East Anglia, Norwich Med Sch, Norwich, Norfolk, England
[3] Univ Cambridge, MRC Epidemiol Unit, Cambridge, England
[4] Novo Nordisk Ltd, Gatwick, England
[5] Guys & St Thomas NHS Fdn Trust, Inst Diabet Endocrinol & Obes, London, England
[6] UCL, Dept Med, London, England
[7] Univ Leeds, Sch Psychol, Leeds, W Yorkshire, England