| Child care professionals | Consultative workshops |
| Clinical staff | Emerging policy options with stakeholder input |
| Community health workers | Health economic analysis |
| Community leaders | Impact pathways |
| Food assistance program staff | Implementation pathways |
| Food service employees | Immersion-observation |
| Government authorities and advisors | Iterative action research via workshops |
| Health professionals | Onsite receipt collection |
| Peer supporters | Policy review |
| Private-sector employers | Simulation of food intake patterns |
| Program implementers | Stakeholder analysis |
| School staff, parents, volunteers | Systematic Internet review |
| Stakeholders, i.e. academics, practitioners | Thematic analysis |
| Store owners/managers | |