1. Department of Biochemistry (J.G.L., L.D.), Faculty of Medicine, University of Sherbrooke, Sherbrooke, Québec, Canada, J1H 5N4
2. Department of Obstetrics-Gynecology (I.M.B.), University of Wisconsin, Madison, Wisconsin 53715
3. Department of Anatomy and Cell Biology (N.B., D.M.), Faculty of Medicine, University of Sherbrooke, Sherbrooke, Québec, Canada, J1H 5N4