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. 2019 Dec 5;7(12):e14473. doi: 10.2196/14473

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©Sungkyu Park, Sang Won Lee, Sungwon Han, Meeyoung Cha. Originally published in JMIR mHealth and uHealth (http://mhealth.jmir.org), 05.12.2019.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR mhealth and uhealth, is properly cited. The complete bibliographic information, a link to the original publication on http://mhealth.jmir.org/, as well as this copyright and license information must be included.

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Consecutive multiplex vector of the subject α per day on the 1st image chunk, where t₁ is defined as the 9th of v^α (ie, the 9th day from the starting date) and m as the corresponding closeness rank number (m^th of v^α) to t₁ within the image chunk (1≤m≤8).