The validation status of blood biomarkers of amyloid and phospho-tau assessed with the 5-phase development framework for AD biomarkers. - Ashton, N. J.; Leuzy, A.; Karikari, T. K.; Mattsson-Carlgren, N.; Dodich, A.; Boccardi, M.; Corre, J.; Drzezga, A.; Nordberg, A.; Ossenkoppele, R.; Zetterberg, H.; Blennow, K.; et al. (European Journal of Nuclear Medicine & Molecular Imaging, 2021)