1. Rutgers University, School of Social Work, Center for Research on Ending Violence, New Brunswick, NJ, USA
2. University of Nebraska, Nebraska Center for Research on Children, Youth, Families, and Schools Lincoln, NE, USA
3. University of New Hampshire, Psychology Department, Durham, NH, USA
4. Rutgers University, School of Public Health, Piscataway, NJ, USA
5. Centers for Disease Control and Prevention, Atlanta, GA, USA