[1] Uppsala Univ, Sociol Dept, Uppsala, Sweden
[2] Univ Birmingham, Inst Clin Sci, Birmingham, W Midlands, England
[3] Univ Birmingham, Sch Social Policy, Inst Res Superdivers IRiS, Birmingham, W Midlands, England
[4] Univ S Florida, Dept Sociol, Tampa, FL 33620 USA
[5] IUL, ISCTE, Lisbon, Portugal
[6] Leibniz Inst Prevent Res & Epidemiol, BIPS, Dept Prevent & Evaluat, Bremen, Germany