AUTHOR=Braun Susanne , Kark Ronit , Wisse Barbara TITLE=Editorial: Fifty Shades of Grey: Exploring the Dark Sides of Leadership and Followership JOURNAL=Frontiers in Psychology VOLUME=9 YEAR=2018 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2018.01877 DOI=10.3389/fpsyg.2018.01877 ISSN=1664-1078