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. 2020 Sep 23;22(9):e18234. doi: 10.2196/18234

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©Rod M Middleton, Owen R Pearson, Gillian Ingram, Elaine M Craig, William J Rodgers, Hannah Downing-Wood, Joseph Hill, Katherine Tuite-Dalton, Christopher Roberts, Lynne Watson, David V Ford, Richard Nicholas, UK MS Register Research Group. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 23.09.2020.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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Mean SDMT and CoRe scores with age categories and EDSS scores. CoRe: Cognitive Reaction; EDSS: Expanded Disability Status Score; SDMT: Symbol Digit Modalities Test.