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PICOS criteria for inclusion of studies
| Parameter | Criteria |
|---|---|
| Participants | Healthy adult participants; however, including studies in which some of the participants have a chronic disease |
| Interventions | Food-based intervention focusing on a dietary pattern, without nutritional supplementation |
| Comparators | A different dietary pattern |
| Outcomes | Dietary biomarkers, including metabolomic profiles |
| Study design | Randomized controlled trials |
