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. 2020 Jan 15;10:403. doi: 10.1038/s41598-019-57317-7

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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SWE velocities, classified according to AHA type. Data sorted in longitudinal (light blue) and transverse view (dark blue), shown as group velocity (top left), and phase velocity at 200–300 Hz (top right), 300–400 Hz (bottom left) and 400–500 Hz (bottom right), respectively. Significance against all other groups is given as *(p < 0.05) or **(p < 0.01).