Magriplis E., Kotopoulou S., Adamberg S., Pimentel K. J., Kitrytė-Syrpa V., Laranjo M., Meslier V., Smiliotopoulos T., Vergères G., Vidovic B., Chassard C., Syrpas M.

Fermented food consumption across European regions: Protocol for the development and validation of the web-based Fermented Foods Frequency Questionnaire (3FQ).