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. 2021 Mar 9;9(3):e18933. doi: 10.2196/18933

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©Pietro H Guzzi, Giuseppe Tradigo, Pierangelo Veltri. Originally published in JMIR Medical Informatics (http://medinform.jmir.org), 09.03.2021.

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 Medical Informatics, is properly cited. The complete bibliographic information, a link to the original publication on http://medinform.jmir.org/, as well as this copyright and license information must be included.

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Time windows W1, W2, …, W15 are defined incrementally starting from a period of 6 consecutive days, which has been considered the minimum number of data points to calculate the fitting function.