1. Fetal & Neonatal Cardiology Program, Division of Pediatric Cardiology, Department of Pediatrics University of Alberta Edmonton Alberta Canada
2. Women's and Children's Health Research Institute and Cardiovascular Research Institute University of Alberta Edmonton Alberta Canada
3. Department of Medical Genetics University of Alberta Edmonton Alberta Canada
4. University of Alberta Edmonton Alberta Canada
5. Department of Obstetrics and Gynecology University of Alberta Edmonton Alberta Canada