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. 2016 Jul 22;17:336. doi: 10.1186/s13063-016-1457-3

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© Jiang et al. 2016

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. 5 — Projected patient recruitment with 95 % credible interval for the Robot study at each month: the red line indicates the proposed sample size n = 158 and the blue line is final recruitment n = 126