City, University of London Insttutonal Repository Citaton: Berg, K., Isaksen, J., Wallace, S. J., Cruice, M. ORCID: 0000-0001-7344-2262, Simmons-Mackie, N. and Worrall, L. (2020). Establishing consensus on a definition of aphasia: an e-Delphi study of international aphasia researchers. Aphasiology, doi: 10.1080/02687038.2020.1852003 This is the accepted version of the paper. This version of the publicaton may difer from the fnal published version. Permanent repository link: https://openaccess.city.ac.uk/id/eprint/25919/ Link to published version: http://dx.doi.org/10.1080/02687038.2020.1852003 Copyright: City Research Online aims to make research outputs of City, University of London available to a wider audience. Copyright and Moral Rights remain with the author(s) and/or copyright holders. URLs from City Research Online may be freely distributed and linked to. Reuse: Copies of full items can be used for personal research or study, educatonal, or not-for-proft purposes without prior permission or charge. Provided that the authors, ttle and full bibliographic details are credited, a hyperlink and/or URL is given for the original metadata page and the content is not changed in any way. City Research Online