1. Center for Community-Engaged Medicine, Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Boston, MA 02111, USA
2. Division of Violence Prevention, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA
3. Clinical and Translational Science Institute, Tufts Medical Center, Boston, MA 02111, USA
4. American Academy of Pediatrics, Itasca, IL 60143, USA
5. School of Medicine, Tufts University, Boston, MA 02111, USA
6. Prevent Child Abuse America, Chicago, IL 60604, USA