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. 2023 Feb 20;14:1072273. doi: 10.3389/fphys.2023.1072273

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Copyright © 2023 Hu, Yin, Zhang, Menon, Fang, Chen, Elgendi and Liang.

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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the flow chart of this study. Note: ABP stands for arterial blood pressure, PPG, VPG, and APG denote photoplethysmography, velocity plethysmography, and acceleration plethysmography, respectively.