1. Zelman K . 15 Best diet tips ever. Available from: http://www.webmd.com/diet/features/15-best-diet-tips-ever(cited 21 March 2014).
2. WHO/FAO. Diet, nutrition and the prevention of chronic diseases: report of a Joint WHO/FAO Expert Consultation.Geneva, Switzerland: World Health Organization, 2003. Available from: http://whqlibdoc.who.int/trs/WHO_TRS_916.pdf(cited 21 March 2014).
3. World Health Association. Global strategy on diet, physical activity and health - promoting fruit and vegetable consumption around the world.2003. Available from: http://www.who.int/dietphysicalactivity/fruit/en/(cited 21 March 2014).
4. United States Department of Agriculture & United States Department of Health and Human Services. Dietary guidelines for Americans, 2010. Available from: http://health.gov/dietaryguidelines/2010.asp. (cited 21 March 2014).
5. United States Department of Agriculture. 2013. Choose my plate. Available from: http://www.choosemyplate.gov/(cited 21 March 2013).