- National Council on Disabilitywww.ncd.gov
- Mobility Internationalwww.miusa.org
- Mayo Clinicwww.mayoclinic.com
- American Medical Associationwww.ama-assn.org
- International Council of Nurseswww.icn.ch
- American Public Health Associationwww.apha.org
- Home Care Association of Americawww.hcaoa.org
