Validation of the Rowland Universal Dementia Assessment Scale (RUDAS) in a multicultural sample across five Western European countries: diagnostic accuracy and normative data

T. Rune Nielsen, Kurt Segers, Valérie Vanderaspoilden, Peter Bekkhus-Wetterberg, Guro Hanevold Bjørkløf, Ulrike Beinhoff, Lennart Minthon, Anna Pissiota, Magda Tsolaki, Mara Gkioka, Gunhild Waldemar