Dementia and cognitive impairment prevalence and associated factors in indigenous populations: a systematic review - Souza-Talarico, Juliana Nery de; Carvalho, Anna P. de; Brucki, Sonia Maria Dozzi; Nitrini, Ricardo; Ferretti-Rebustini, Renata Eloah de Lucena (Alzheimer Disease & Associated Disorders, 2016)