Schnermann, M. E., Nöthlings, U., & Alexy, U. (2024). Empirically derived portion sizes from the DOrtmund Nutritional and Anthropometric Longitudinally Designed (DONALD) study for 4- to 18-year-old children and adolescents to simplify analysis of dietary data using FFQ. Cambridge University Press.

Schnermann, Maike Elena, Ute Nöthlings, and Ute Alexy. Empirically Derived Portion Sizes from the DOrtmund Nutritional and Anthropometric Longitudinally Designed (DONALD) Study for 4- to 18-year-old Children and Adolescents to Simplify Analysis of Dietary Data Using FFQ. Cambridge University Press, 2024.

Schnermann, Maike Elena, et al. Empirically Derived Portion Sizes from the DOrtmund Nutritional and Anthropometric Longitudinally Designed (DONALD) Study for 4- to 18-year-old Children and Adolescents to Simplify Analysis of Dietary Data Using FFQ. Cambridge University Press, 2024.