1 Fetal and Neonatal Cardiology Program, Pediatric Cardiology, Women's and Children's Health Research Institute, University of Alberta, Edmonton, Alberta, Canada. Electronic address: lisa.hornberger@ahs.ca.
2 Fetal and Neonatal Cardiology Program, Pediatric Cardiology, Women's and Children's Health Research Institute, University of Alberta, Edmonton, Alberta, Canada. Electronic address: https://twitter.com/angmcbrien.