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. 2020 Nov 12;9(4):835–844.e4. doi: 10.1016/j.jvsv.2020.11.006

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© 2020 Published by Elsevier Inc. on behalf of the Society for Vascular Surgery.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Supplementary Fig (online only) — Study flowchart showing study design, inclusion and exclusion criteria, and outcomes. COVID-19, Coronavirus disease 2019; CTPA, computed tomography pulmonary angiography; EMR, electronic medical record.