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. 2020 Dec 10;21(Suppl 2):S37–S44. doi: 10.1093/pm/pnaa289

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© The Author(s) 2020. Published by Oxford University Press on behalf of the American Academy of Pain Medicine. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com

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Figure 1. — PRECIS-2: each of the nine domains are graded from 1 = very explanatory to 5 = very pragmatic [26]. Adapted by permission from BMJ Publishing Group Limited. [The PRECIS-2 tool: designing trials that are fit for purpose, Loudon K, Treweek S, Sullivan F, Donnan P, Thorpe KE, Zwarenstein M. BMJ 2015;350:h2147]