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. 2016 Apr 12;11:36. doi: 10.1186/s13023-016-0420-4

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© Traversa 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. 3 — Kaplan–Meier Plot of cumulative probability of publication by time (months) since funding agreement in the analyzed cohort by study characteristics: Year, p = 0.8184 (Panel a); Clinical area, p = 0.9112 (Panel b); Disease prevalence, p = 0.3759 (Panel c); Planned sample size, p = 0.3989 (Panel d); Study design, i.e. CT vs RCT, p = 0.0531 (Panel e)