Core working components of the integrated theory-based Framework for intervention tailoring strategies toolkit (ItFits-toolkit).
Core working components of the ItFits-toolkit:Nonstandardized, systematically guided step-by-step processStakeholder-based cocreationTools to identify local barriers, consult stakeholders, and match to suitable strategiesEvidence-informed materials on barriers, strategies, and intervention planningSix working principles: pragmatic, flexible, focused, openness, organized, and different