1. Division of Pediatric Psychology, Department of Pediatrics, Oregon Health & Science University, Portland, Oregon, USA.
2. Pediatric Critical Care and Neurotrauma Recovery Program, Oregon Health & Science University, Portland, Oregon, USA.
3. Developmental Medical Center, Boston Children's Hospital, Boston, Massachusetts, USA.
4. Division of Pediatric Critical Care, Department of Pediatrics, Oregon Health & Science University, Portland, Oregon, USA.