Fig. 1From: Effect of a polyphenol-rich dietary pattern on intestinal permeability and gut and blood microbiomics in older subjects: study protocol of the MaPLE randomised controlled trialStudy design: Schematic representation of the study workflow. WFR = weighed food records; T0, T1, T2, T3 = time of intervention; C-diet = control diet PR-diet = polyphenol-rich dietBack to article page