Fermented Food Consumption Across European Regions : Protocol for the Development and Validation of the Web-Based Fermented Foods Frequency Questionnaire (3FQ)Magriplis, Emmanuella; Kotopoulou, Sotiria; Adamberg, Signe; Burton-Pimentel, Kathryn Jane; Kitryte-Syrpa, Vaida; Laranjo, Marta; Meslier, Victoria; Smiliotopoulos, Theodoros; Vergeres, Guy; Vidovic, BojanaJMIR Research Protocols2025 / art. e69212 https://doi.org/10.2196/69212 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