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. 2016 Dec 5;16:1224. doi: 10.1186/s12889-016-3883-2

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© The Author(s). 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. 1 — Inclusion and exclusion criteria: In order to be part of the study, participants had to have a Medical Doctor (MD) degree. Also, they had to have arrived on time and left after the post-test was administered. Participants that were not MDs were excluded. One thousand and forty-four participants met these requirements