- US Department of Health and Human Services www.hhs.gov
 - National Institutes of Health www.nih.gov
 - The National Center for Assisted Living (NCAL) www.ahcancal.org/ncal
 - American Society on Aging www.asaging.org
 - National Council on Aging www.ncoa.org
 - Maryland Department of Health www.health.maryland.gov
 - Maryland Department of Aging www.aging.maryland.gov
 - Mayo Clinic www.mayoclinic.org
 
