1. Cardiac Intensive Care Unit, Division of Critical CareTexas Children's Hospital/Baylor College of MedicineHouston Texas
2. Tecnologico de MonterreyEscuela de Medicina y Ciencias de la SaludMonterrey Nuevo Leon Mexico
3. CardiologyAdvocate Children's Hospital/Chicago Medical SchoolChicago Illinois
4. Baylor College of MedicineHouston Texas