1. Department of Neurology Children's Medical Center of Dallas, UT Southwestern Medical Center, Dallas, TX,
2. Division of Pediatric Neurology Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, Pediatric Intensive Care Unit, Children's Health Center St. Joseph's Hospital and Medical Center, Phoenix, AZ
3. Pediatric Intensive Care Unit, Children's Health Center St. Joseph's Hospital and Medical Center, Phoenix, AZ
4. Sarah M and Charles Seay Center of Neuromuscular Research, Texas Scottish Rite Hospital for Children Dallas, TX