[1
]
Department of Pediatrics and Steele Children's Research Center, University of Arizona
College of Medicine, Tucson, AZ, United States; Lillie Frank Abercrombie Section of
Pediatric Cardiology, Texas Children's Hospital, Baylor College of Medicine, Houston,
TX, United States. Electronic address: svaldes@bcm.edu.
[2
]
Departments of Anesthesiology and Critical Care and Pediatrics, Children's Hospital
of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, PA,
United States.
[3
]
Department of Pediatrics and Steele Children's Research Center, University of Arizona
College of Medicine, Tucson, AZ, United States.
[4
]
Westat Biostatistics & Data Management Core, Children's Hospital of Philadelphia,
United States.