- American Physical Therapy Associationwww.apta.org
- American Public Health Associationwww.apha.org
- Alzheimer’s Associationwww.alz.org
- Employee’s Withholding Certificatewww.irs.gov/pub/irs-pdf/fw4.pdf
- International Council of Nurseswww.icn.ch
- The American Geriatrics Societywww.americangeriatrics.org
