1. Division of Adolescent and Young Adult Medicine, Children’s Hospital of Pittsburgh of University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania;
2. Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania;
3. University of California Davis School of Medicine, Sacramento, California;
4. California Adolescent Health Collaborative, Public Health Institute, Oakland, California;
5. School of Nursing, California State University, Sacramento, California;
6. Department of Family Health Care Nursing, University of California San Francisco School of Nursing, San Francisco, California;
7. Futures Without Violence, San Francisco, California; and
8. Division of Global Public Health, University of California San Diego School of Medicine, La Jolla, California