1. Midwest Fetal Care Center, Children’s Minnesota, Minneapolis, MN, USA
2. The Children’s Heart Clinic, Children’s Minnesota, Minneapolis, MN, USA
3. Vanderbilt University Medical Center, Monroe Carell Jr. Children’s Hospital, Nashville, TN, USA
4. Icahn School of Medicine, Mount Sinai Children’s Heart Center, New York, NY, USA
5. Children’s National Hospital, Washington, DC, USA
6. Phoenix Children’s Hospital, Phoenix, AZ, USA
7. University of Colorado School of Medicine, Aurora, CO, USA
8. New York University Grossman School of Medicine, NYU Langone Medical Center, New York, NY, USA