Towards a national registry for Alzheimer's disease and related dementias: rationale, design, and initial observations of the ABOARD cohort. - de Boer, Casper; Rhodius-Meester, Hanneke F. M.; van der Landen, Sophie M.; Claassen, Jurgen; de Haan, Romy; Papma, Janne M.; Seelaar, Harro; Kloppenburg-Lagendijk, Marleen; van Munster, Barbara; de Vugt, Marjolein; Arts, Derk; Blom, Marco; et al. (Alzheimer's Research & Therapy, 2025)