@article{elhai_yang_montag_2021,  title={Fear of missing out (FOMO): overview, theoretical underpinnings, and literature review on relations with severity of negative affectivity and problematic technology use},  volume={43},  ISSN={1516-4446},  url={https://doi.org/10.1590/1516-4446-2020-0870},  DOI={10.1590/1516-4446-2020-0870},  number={2},  journal={Brazilian Journal of Psychiatry},  publisher={Associação Brasileira de Psiquiatria},  author={Elhai, Jon D. and Yang, Haibo and Montag, Christian},  year={2021},  month={Mar},  pages={203–209} }