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. 2018 Dec 13;19:685. doi: 10.1186/s13063-018-3044-2

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© The Author(s). 2018

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Standard protocol items: recommendation for interventional trials (SPIRIT) figure (required for study protocols). Wk, week; MINI, Mini International Neuropsychiatric Interview; QST, quantitative sensory testing; fMRI, functional magnetic resonance imaging