AUTHOR=Merlini Luciano , Faldini Cesare , Bonaldo Paolo TITLE=Editorial: Muscle-Tendon-Innervation Unit: Degeneration and Aging—Pathophysiological and Regeneration Mechanisms JOURNAL=Frontiers in Aging Neuroscience VOLUME=8 YEAR=2016 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2016.00320 DOI=10.3389/fnagi.2016.00320 ISSN=1663-4365