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. 2020 Sep 3;6:2378023120950190. doi: 10.1177/2378023120950190

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© The Author(s) 2020

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 6. — (A) Call-related app use before and after the coronavirus disease 2019 (COVID-19) outbreak. (B) Long sessions (more than five minutes) of mobile messaging before and after the COVID-19 outbreak.