References:
https://www.childtrends.org/publications/how-early-head-start-prevents-child-maltreatment
https://idph.iowa.gov/Portals/1/Files/1stFive/early_childhood_development.pdf
https://www.zerotothree.org/resources/477-early-head-start-works
https://eclkc.ohs.acf.hhs.gov/sites/default/files/pdf/policy-brief-early-head-start-at-25.pdf
https://www.childtrends.org/publications/how-early-head-start-prevents-child-maltreatment
https://www.dcyf.wa.gov/sites/default/files/pdf/eceap/Outcomes.pdf