AUTHOR=Sierra Amanda , Tremblay Marie-Ève , Wake Hiroaki TITLE=Never-resting microglia: physiological roles in the healthy brain and pathological implications JOURNAL=Frontiers in Cellular Neuroscience VOLUME=8 YEAR=2014 URL=https://www.frontiersin.org/journals/cellular-neuroscience/articles/10.3389/fncel.2014.00240 DOI=10.3389/fncel.2014.00240 ISSN=1662-5102