[1] Univ Laval, Fac Med, Dept Obstet & Gynecol, Quebec City, PQ, Canada
[2] CRCHUQ, Quebec City, PQ, Canada
[3] Univ Laval, Fac Med, Dept Social & Prevent Med, Quebec City, PQ, Canada
[4] Univ Montreal, Fac Med, CHU Hop St Justine, Dept Obstet & Gynecol, Montreal, PQ, Canada
[5] Univ Montreal, Fac Med, CHU Hop St Justine, Dept Pharm, Montreal, PQ, Canada
[6] Univ Laval, Fac Med, Dept Med Biol, Quebec City, PQ, Canada
[7] Univ Montreal, Fac Med, Dept Med, Montreal, PQ, Canada
[8] Univ Montreal, Fac Med, Dept Obstet & Gynecol, Montreal, PQ, Canada