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. 2021 Aug 11;3:676824. doi: 10.3389/fdgth.2021.676824

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Copyright © 2021 Li, Ma, Zhang, Wang, Liu and Ma.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Data flow for Lifelog Recorder application. The application takes on the role of collecting lifelog and exchanging data with the server, which ease the burden of users.