• Validation of the fermented food frequency questionnaire to assess consumption across four European regions : a study within the promoting innovation of fermented foods cost actionMagriplis, Emmanuella; Smiliotopoulos, Theodoros; Myrintzou, Niki; Burton-Pimentel, Kathryn Jane; Adamberg, Signe; Adamberg, Kaarel; Agagündüz, Duygu; Atanasova-Pancevska, Natalijam; Beglaryan, Meline; Pitsi, TagliFrontiers in Nutrition2025 / art. 1667653 https://doi.org/10.3389/fnut.2025.1667653 https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1667653/full