AUTHOR=Varnum Michael E. W. , Kwon Jung Y. TITLE=The Ecology of Withdrawal. Commentary: The NEET and Hikikomori spectrum: Assessing the risks and consequences of becoming culturally marginalized JOURNAL=Frontiers in Psychology VOLUME=7 YEAR=2016 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2016.00764 DOI=10.3389/fpsyg.2016.00764 ISSN=1664-1078