- National Institute of Agingwww.nia.nih.gov
 - Centers for Disease Control and Preventionwww.cdc.gov
 - American Geriatrics Societywww.americangeriatrics.org
 - Home Care Association of Americawww.hcaoa.org
 - Johns Hopkins Center on Aging and Healthwww.coah.jhu.edu
 - Minnesota Department of Human Serviceswww.mn.gov
 



              