TABLE 2. Inclusion and Exclusion Criteria for Literature Review.

Criteria	Include	Exclude
Date	Studies conducted after 1970	Studies conducted before 1970
Source of origin/country of origin	United States	Studies conducted outside of the United States
Language	English language	Studies not in English language
Purpose	Publications with a purpose related to infant feeding behaviors in infants with prenatal opioid exposure	Publications with a purpose not related
Study population	Sample includes infants with prenatal opioid exposures	Sample does not include infants with prenatal opioid exposure
Context	Key findings that relate to the review question	Key findings that do not relate to review question
Publication	Full text of article available Primary empirical study Peer-reviewed journal article	Grey literature, reports, conference proceedings