- Administration for Children and Familieswww.acf.hhs.gov
- American Health Care Associationwww.ahcancal.org
- American Public Health Associationwww.apha.org
- National Institutes of Healthwww.health.nih.gov
- World Health Organizationwww.who.int
- Centers for Disease Control and Preventionwww.cdc.gov/
