1. Blank Hospital Regional Child Protection Center, Iowa Health, Des Moines, Iowa
2. LABiomed Institute at Harbor-UCLA Medical Center and David Geffen School of Medicine at UCLA, Los Angeles, California
3. Center on Young Adult Health and Development, University of Maryland, School of Public Health, College Park, Maryland
4. Brown Center for the Study of Children at Risk, Warren Alpert Medical School of Brown University, Women and Infants Hospital, Providence, Rhode Island
5. John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii
6. Department of Psychology, The University of Tulsa, Tulsa, Oklahoma
7. Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland
8. Miller Children's Hospital at Long Beach Memorial Medical Center, Long Beach, California