[1] Univ Paris 06, Fac Med St Antoine, INSERM, UMR S 707, F-75012 Paris, France
[2] INSERM, U707, Paris, France
[3] Univ Montreal, Dept Social & Prevent Med, Montreal, PQ, Canada
[4] Ctr Invest Prevent & Clin, Paris, France
[5] EHESP Sch Publ Hlth, Rennes, France
[6] Univ Rennes, Fac Dent, Rennes, France
[7] Lund Univ, Fac Med, CRC, Unit Social Epidemiol, Malmo, Sweden