Marques-Vidal , P., A. Ross, E. Wynn, S. Rezzi, F. Paccaud, and B. Decarli. “Reproducibility and Relative Validity of a Food-Frequency Questionnaire for French-Speaking Swiss Adults”. Food & Nutrition Research, May 2011, https://foodandnutritionresearch.net/index.php/fnr/article/view/591.