AUTHOR=Ramírez Javier , Górriz Juan M. , Teipel Stefan TITLE=Editorial: Multimodal and Longitudinal Bioimaging Methods for Characterizing the Progressive Course of Dementia JOURNAL=Frontiers in Aging Neuroscience VOLUME=11 YEAR=2019 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2019.00045 DOI=10.3389/fnagi.2019.00045 ISSN=1663-4365