1. Department of Pediatrics, The Kempe Center for the Prevention and Treatment of Child Abuse and Neglect, University of Colorado School of Medicine, Aurora, CO, USA
2. U.S. Department of Health and Human Services, Administration for Children and Families, Office of Planning, Research, and Evaluation, Washington, DC, USA
3. Kurt Heisler Consulting, LLC, Alexandria, VA, USA
4. Adam Darnell Consulting, Seattle, WA, USA