Feasibility and fidelity in applying media advocacy principles as an implementation strategy: lessons from the National ROPS Rebate Program expansion. - Milkovich, Pamela J.; Johnson, Andrew; Yoder, Aaron; Downes, Willard; Funkenbusch, Karen; Larson, Tawnie; Brokesh, Ed; Janssen, Brandi; Curnick, Jackie; Sorensen, Julie A. (BMC Public Health, 2025)