1. Department of Pediatrics, Division of Critical Care, University of Utah, Salt Lake City, Utah.
2. Division of Neonatology, University of Utah School of Medicine, University of Utah, Salt Lake City, Utah.
3. The Brain Institute, University of Utah, Salt Lake City, Utah.
4. University of California–Los Angeles (UCLA) Brain Injury Research Center, Division of Pediatric Neurology and Department of Neurosurgery, David Geffen School of Medicine at UCLA, Los Angeles, California.