Diagnostic and prognostic performance and longitudinal changes in plasma neurofilament light chain concentrations in adults with Down syndrome: a cohort study

María Carmona‐Iragui, Daniel Alcolea, Isabel Barroeta, Laura Videla, Laia Muñoz, Kathyrn L Van Pelt, Frederick A. Schmitt, Donita Lightner, Lisa Koehl, Gregory A. Jicha, Silvia Sacco, Clotilde Mircher, Sarah E. Pape, Rosalyn Hithersay, I. C. H. Clare, Anthony Holland, Georg Nübling, Johannes Levin, Shahid Zaman, André Strydom, Anne‐Sophie Rebillat, Elizabeth Head, Rafael Blesa, Alberto Lleó, Juan Fortea