The nutrition composition of the meals provided by the hospital kitchen is known and leftover food was weighed by a trained research person during the registration days.
Næringargildi máltíða frá eldhúsi Landspítalans er þekkt og voru allir matarafgangar vigtaðir og skráðir af þjálfuðum sérfræðingi skráningardagana.