AUTHOR=Johnson Ian P. TITLE=Response: Commentary: Age-related neurodegenerative disease research needs aging models JOURNAL=Frontiers in Aging Neuroscience VOLUME=8 YEAR=2016 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2016.00044 DOI=10.3389/fnagi.2016.00044 ISSN=1663-4365