1. Prevalence of overweight and obesity among US children, adolescents and adults, 1999–2002;Hedley;JAMA,2004
2. Prevalence of obesity and trends in the distribution of body mass index among US adults, 1999–2010;Flegal;JAMA,2012
3. Impact of morbid obesity on medical expenditures in adults;Arterburn;Int J Obes (Lond),2005
4. United States Census Bureau. U.S. and World Population Clock [homepage on the Internet]. Washington, D.C.: U.S. Department of Commerce. Available from: http://www.census.gov/popclock. Accessed July 4, 2016.
5. Gastrointestinal surgery for severe obesity: National Institutes of Health Consensus Development Conference Statement;Am J Clin Nutr,1992