[1] Karolinska Inst, Inst Environm Med, Unit Cardiovasc & Nutr Epidemiol, SE-17177 Stockholm, Sweden
[2] Uppsala Univ, Dept Surg Sci, Uppsala, Sweden
[3] Imperial Coll London, St Marys Hosp, Sch Publ Hlth, Dept Epidemiol & Biostat, London, England
[4] St Georges Univ London, Inst Med & Biomed Educ, Clin Pharmacol & Therapeut Sect, London, England
[5] St Georges Univ London, Inst Infect & Immun, London, England
[6] St Georges Univ Hosp NHS Fdn Trust, Pharm & Med Directorate, Clin Pharmacol Grp, London, England
[7] Novo Nordisk Res Ctr Oxford, Oxford, England