[1] Univ Edinburgh, Ctr Populat Hlth Sci, Ethn & Hlth Res Grp, Edinburgh EH8 9AG, Midlothian, Scotland
[2] Univ Amsterdam, Acad Med Ctr, Dept Publ Hlth, NL-1105 AZ Amsterdam, Netherlands
[3] Inst Veille Sanit, Programme Diabet, Dept Malad Chron & Traumatismes, St Maurice, France
[4] Ist Super Sanita, I-00161 Rome, Italy
[5] Karolinska Inst, Inst Environm Med, Dept Epidemiol, S-10401 Stockholm, Sweden
[6] AstraZeneca R&D, Stockholm, Sweden
[7] MRC Social & Publ Hlth Sci Unit, Glasgow, Lanark, Scotland
[8] Natl Board Hlth & Welf, Stockholm, Sweden
[9] Univ So Denmark, Natl Inst Publ Hlth, Copenhagen, Denmark
[10] Erasmus Univ, Med Ctr, Dept Publ Hlth, Rotterdam, Netherlands
[11] UCL, Dept Epidemiol & Publ Hlth, Royal Free & Univ Coll Med Sch, London, England
[12] Inserm Cepi DC, Le Vesinet, France
[13] Queens Univ, Ctr Publ Hlth, Belfast, Antrim, North Ireland