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. 2019 Jun 2;4(3):123–128. doi: 10.1136/svn-2018-000226

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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The cross-tabulation of the phenotypes of the three systems. CE, cardioembolism; CISS, Chinese Ischemic Stroke Subclassification; LAA, large artery atherosclerosis; OE, other etiology; SPARKLE, Subtypes of Ischemic Stroke Classification System; SVD, small-vessel disease; TOAST, Trial of Org 10172 in Acute Stroke Treatment; UE, undetermined etiology.