1. Department of Pediatrics (Cardiology), Stanford University School of Medicine, Palo Alto, CA, USA
2. Section of Pediatric Cardiac Critical Care Medicine, University of Alabama at Birmingham, Children’s of Alabama, Birmingham, AL, USA
3. Division of Critical Care Medicine, George Washington University School of Medicine, Children’s National Health System, Washington, DC, USA
4. Division of Cardiology, George Washington University School of Medicine, Children’s National Health System, Washington, DC, USA
5. The Ohio State University College of Medicine, Critical Care Medicine, Nationwide Children’s Hospital, Columbus, OH, USA
6. Intensive Care Unit, Harvard Medical School, Boston Children’s Hospital, Boston, MA, USA
7. Section of Critical Care Medicine and Cardiology, Baylor College of Medicine, Texas Children’s Hospital, Houston, TX, USA