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. 2020 Apr 29;22(4):e17234. doi: 10.2196/17234

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©Bin Liang, Na Yang, Guosheng He, Peng Huang, Yong Yang. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 29.04.2020.

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

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Training and testing results: (A) Binary cross-entropy (BCE) and accuracy (Acc) during the training process. The loss value is normalized for clarity. (B) Receiver operating characteristic (ROC) curve of the testing dataset (AUC: area under the curve).