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. 2019 Oct 17;9:14930. doi: 10.1038/s41598-019-51334-2

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© The Author(s) 2019

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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The screening process of the subjects in data set 2. ^a,b,c,dScreening criteria: The number of subjects for selected parameters should be more than 20. Subjects’ other parameters, such as stroke output and cardiac output, must be within the normal range of medical reference. There is no serious abnormality in pulse-wave caused by noise or incorrect data collection, among others. For ^a,b,c,d, most of the excluded subjects had three or even four parameter values outside of the range. To ensure that the characteristics of each pulse pattern were typical, we excluded these subjects.