[1] Univ Glasgow, Sch Cardiovasc & Metab Hlth, Glasgow, Scotland
[2] Chelsea & Westminster NHS Fdn Trust, London, England
[3] Univ Bristol Sch Med, Dept Populat Hlth Sci, Bristol, England
[4] Univ Bristol, MRC Integrat Epidemiol Unit, Bristol, England
[5] Univ Cambridge, Dept Med, Div Expt Med & Immunotherapeut, Cambridge, England