The utility of simple questions to evaluate cognitive impairment

Yugaku Daté, Daisuke Sugiyama, Hajime Tabuchi, Naho Saito, Mika Konishi, Yoko Eguchi, Yuki Momota, Takahito Yoshizaki, Kyoko Mashima, Masaru Mimura, Jin Nakahara, Daisuke Ito