- www.easo.org (The European Association for the Study of Obesity)
- http://www.worldobesity.org (World Obesity Federation)
- www.obesitas.cz (Česká obezitologická společnost)
- www.diaslovakia.sk (Slovenská diabetologická spoločnosť)
- www.ifso.com (The International Federation for the Surgery of Obesity and Metabolic Disorders)
