1. Prevalence of overweight and obesity in the United States, 1999–2004;Ogden;JAMA,2006
2. Centers for Disease Control and Prevention, Division of Nutrition, Physical Activity, and Obesity. Available at: http://www.cdc.gov/obesity/data/adult.html#History. Accessed August 16, 2013.
3. Brusco L. (2011). Critical care of the morbidly obese patient. Current concepts (adult) 14th edition Congress. 2010. Available at: http://www.learnicu.org/Lists/LearningObjectLibrary_object/Attachments/18/Chapter%209.pdf. Accessed August 12, 2013.
4. Ogden CL, Carroll MD, Kit BK, et al. Prevalence of obesity in the United States, 2009–2010. Available at: http://www.cdc.gov/obesity/data/adult.html#Common. Accessed August 12, 2013.
5. World Health Organization. Obesity and overweight fact sheet. 2013. Available at: http://www.who.int/topics/obesity/en/. Accessed August 12, 2013.