1. Department of Health Management and Policy Dornsife School of Public Health Drexel University Philadelphia Pennsylvania USA
2. Department of Emergency Medicine College of Medicine Drexel University Philadelphia Pennsylvania USA
3. Center for Nonviolence and Social Justice Drexel University Philadelphia Pennsylvania USA
4. Department of Family and Community Health School of Nursing University of Pennsylvania Philadelphia Pennsylvania USA
5. Penn Injury Science Center University of Pennsylvania Philadelphia Pennsylvania USA
6. Department of Biobehavioral Sciences School of Nursing University of Pennsylvania Philadelphia Pennsylvania USA