Clinical staging in Swedish primary care using the Amsterdam Instrumental Activities of Daily Living Questionnaire.

Fawad A, van der Landen SM, Tideman P, van der Putten-Toorenburg A, Butterbrod E, Smith R, van Westen D, Calling S, Midlöv P, Mattsson-Carlgren N, Borgström Bolmsjö B, Stomrud E, Nilsson MH, Hansson O, Sikkes SAM, Palmqvist S.