Rothausen, Berit W., Jeppe Matthiessen, Margit V. Groth, Per B. Brockhoff, Lene F. Andersen, and Ellen Trolle. “Comparison of Estimated Energy Intake from 2 X 24-Hour Recalls and a Seven-Day Food Record With Objective Measurements of Energy Expenditure in Children”. Food & Nutrition Research00 (February 15, 2012). Accessed October 30, 2020. https://foodandnutritionresearch.net/index.php/fnr/article/view/488.