1. Actigraph Analysis Software 2014 http://wwwtheactigraphcom/2004
2. Cornell scale for depression in dementia;Alexopoulos;Biology and Psychiatry,1988
3. Al-Faisal W. 2006 Falls Prevention for Older Persons. Eastern Mediterranean Regional Review http://www.who.int/ageing/projects/EMRO.pdf
4. American Association of Homes and Services for the Aging Assisted Living Federation of American, National Center for Assisted Living National Investment Center for the Seniors Housing & Care Industry 2009 Overview of Assisted Living http://www.alfa.org/Mall/StoreHome.asp?MODE=VIEW&STID=1&LID=1&PRODID=16
5. American College of Sports Medicine and the American Heart Association 2013 Guidelines for Physical Activity http://www.heart.org/HEARTORG/GettingHealthy/PhysicalActivity/StartWalking/American-Heart-Association-Recommendationsfor-Physical-Activity-in-Adults_UCM_307976_Article.jsp www.americanheart.org