World alliance of fragile X associations:
- International Fragile X Alliance (www.ifxa.net)
Research foundations:
- U.S.A.: FRAXA Research Foundation (www.fraxa.org)
- Canada: Fragile X Research Foundation of Canada (www.fragilexcanada.ca)
Other:
- Québec (CA): X Fragile Québec (xfragilequebec.org)