1. Center for Health Promotion and Prevention Research, The University of Texas Health Science Center at Houston (UTHealth) School of Public Health, Houston, Texas.
2. RAND Corporation, Santa Monica, California.
3. Department of Health Behavior, School of Public Health, The University of Alabama at Birmingham, Birmingham, Alabama.
4. Division of Adolescent and School Health, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia.
5. Division of General Pediatrics, Department of Medicine, Boston Children's Hospital, Boston, Massachusetts.
6. Department of Pediatrics, Harvard Medical School, Boston, Massachusetts.