; and (II) maternal exposures that may influence health risks to a breastfed infant; or (ii) networking to facilitate surveillance or research described in this subparagraph. (2) Preference for certain States The Secretary, in making any grant under this subsection, shall give preference to States, otherwise equally qualified, that have a pregnancy and breastfeeding information service in place. (3) Matching funds The Secretary may only award a grant under this subsection to a State or regional agency or organization that agrees, with respect to the costs to be incurred in carrying out the grant activities, to make available (directly or through donations from public or private entities) non-Federal funds toward such costs in an amount equal to not less than 25 percent of the amount of the grant. (4) Coordination The Secretary shall ensure that activities funded through a grant under this subsection are coordinated, to the maximum extent practicable, with other birth defects prevention and environmental health activities of the Federal Government, including with respect to pediatric environmental health specialty units and children’s environmental health centers. (e) Evaluation In furtherance of the program under subsection (a), the Secretary shall provide for an evaluation of pregnancy and breastfeeding information services to identify efficient and effective models of— (1) providing information; (2) raising awareness and increasing knowledge about birth defects prevention measures and targeting education to at-risk groups; (3) modifying risk behaviors