“Call for Papers: Workplace FlexibilityGuest Editors: Sascha Ruhle, Heinrich-Heine-Universität Düsseldorf, Düsseldorf (Germany); Stefan Süß, Heinrich-Heine-Universität Düsseldorf, Düsseldorf (Germany)Special IssueFlexibility has been an ongoing issue for various fields of research and practice and a considerable amount of literature