Table 1.

Inclusion and exclusion criteria

Inclusion	Exclusion
Population is wholly or primarily exclusively expressing mothers	Population is any mothers of infants with no focus on expression or exclusive expression
Intervention is a support program or network targeted to exclusive expression	Intervention is focused on initiation of expression
Population is located in a community (non-hospital) setting	Population is located in a hospital/NICU setting
	Population is solely focused on premature infants