1. Division of Cardiology Phoenix Children's Hospital Phoenix AZ USA
2. Division of Pediatric Cardiology Medical College of Wisconsin Herma Heart Institute, Children's Wisconsin Milwaukee WI USA
3. Division of Cardiothoracic Surgery David Geffen School of Medicine at UCLA Los Angeles CA USA
4. Department of Pathology Medical College of Wisconsin Children's Hospital of Wisconsin Wauwatosa WI USA
5. Division of Pediatric Cardiothoracic Surgery, Medical College of Wisconsin Herma Heart Institute, Children's Wisconsin Milwaukee WI USA
6. Tai Diagnostics Inc. Wauwatosa WI USA