[1] CHU St Justine, Div Gastroenterol Hepatol & Nutr, Montreal, PQ, Canada
[2] Univ Montreal, CHU St Justine Res Ctr, OBGYN, Montreal, PQ, Canada
[3] Univ British Columbia, Dept Biochem & Mol Biol, Vancouver, BC V5Z 1M9, Canada
[4] Univ Montreal, Fac Vet Med, Dept Clin Sci, St Hyacinthe, PQ J2S 7C6, Canada
[5] Univ Montreal, Ctr Rech Reprod Anim, St Hyacinthe, PQ, Canada
[6] CHU St Justine, Div Pathol, Montreal, PQ, Canada