American College of Nutrition
http://www.americancollegeofnutrition.org/
American College of Surgeons
http://www.facs.org
American Dietetic Association
http://www.eatright.org/Public
American Obesity Association
http://www.obesity.org
American Society for Bariatric Physicians
http://www.asbp.org
International College of Surgeons
https://www.icsglobal.org/
International Federation for the Surgery of Obesity (IFSO)
http://www.ifso.com/
National Institutes of Health
https://www.ncbi.nlm.nih.gov/
Obesity Law and Advocacy Center
http://www.obesitylaw.com
Sociedad Española de Cirugía de la Obesidad (S.E.C.O)
http://www.seco.org
Weight Control Information Network
http://win.niddk.nih.gov/
