Schäfer, A. C., Boeing, H., Gazan, R., Conrad, J., Gedrich, K., Breidenassel, C., Hauner, H., Kroke, A., Linseisen, J., Lorkowski, S., Nöthlings, U., Richter, M., Schwingshackl, L., Vieux, F., Watzl, B. (2025). A methodological framework for deriving the German food-based dietary guidelines 2024: Food groups, nutrient goals, and objective functions. PLoS ONE. https://doi.org/10.1371/journal.pone.0313347