title: Letter.
authors.affiliation: 1Research Institute of Child Nutrition, Dortmund, Germany.
authors.forename: A
authors.initials: A
authors.lastname: Kroke
authors.forename: U
authors.initials: U
authors.lastname: Alexy
mesh_terms: D002149:Energy Intake; D004734:Energy Metabolism / Q000502:physiology*; D006801:Humans; D007223:Infant; D018673:Nutrition Policy; D009751:Nutritional Requirements; D013548:Sweden