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. 2022 Sep 27;10:965295. doi: 10.3389/fbioe.2022.965295

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Copyright © 2022 Chang, Chen, Shen, Wang, Huang, Qi and Niu.

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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Modified Formetric 4D device (left panel) and computerized surface topography map of the participant’s back (right panel). The distance between the camera and the participant’s back is about 2 m.