BJELLAND , M.; HAUSKEN , S. E.; BERGH , I. H.; GRYDELAND , M.; KLEPP , K.-I.; ANDERSEN , L. F.; TOTLAND , T. H.; LIEN , N. Changes in adolescents’ and parents’ intakes of sugar-sweetened beverages, fruit and vegetables after 20 months: results from the HEIA study - a comprehensive, multi-component school-based randomized trial. Food & Nutrition Research, v. 59, 20 Mar. 2015.