MAPT and Alzheimer disease: Biomarkers used for classification of the AD progression continuum, \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$A\beta $$\end{document}Aβ and tau proteins, are also prevalent in iNPH CSF samples [22].