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. 2018 Jun 12;7(4):239–247. doi: 10.1007/s40037-018-0438-5

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© The Author(s) 2018

Open Access This 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.

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Fig. 1 — The retrieval of Web of Science citations from HPE journals and their enhancement with Altmetric Explorer data, usage counts, and notation of their public accessibility (*The public accessibility of all citations was determined by the author team by hand. †Data were not available for the Journal of Continuing Education in Health Professions (JCEHP) and therefore its 109 citations were removed prior to analysis)