- American Physical Therapy Associationhttp://www.apta.org/
- Centers for Medicare & Medicaid Services (CMS) http://www.cms.gov/
- Arthritis Foundationhttp://www.arthritis.org/
- MedicineNet – Health and Medical Information Produced by Doctorshttp://www.medicinenet.com
- National Council on Disabilityhttp://www.ncd.gov/
- Mobility Internationalhttp://www.miusa.org/
