“…Although it is a health issue frequently neglected, it affects between 2% and 20% of the elderly in community settings and prevalence increases considerably when an institution environment is considered (Aslan, Beji, Erkan, Yalcin, & Gungor, 2009;Leung & Rao, 2009;Leung & Schnelle, 2008;Saga, Vinsnes, Morkved, Norton, & Seim, 2013;Shah et al, 2012;Zarate, Lopez-Kostner, Vergara, Badilla, & Viviani, 2008). This problem entails a strong impact for health systems, as well as social impact to caregivers, family members, and on the health and life quality of the elderly (Leung & Rao, 2009;Shah et al, 2012).…”