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. 2018 Sep 27;36:151–158. doi: 10.1016/j.ebiom.2018.09.023

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© 2018 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 2 — Flow diagram for study enrollment. ROI, region of interest. Training cohort: The 302 Hospital of PLA. Validation cohorts: Cohort 1: Beijing Shijitan Hospital; Cohort 2: The Third Xiangya Hospital; Cohort 3: Beijing Youan Hospital; Cohort 4: Xingtai People's Hospital.