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. 2019 May 28;20:299. doi: 10.1186/s13063-019-3330-7

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© The Author(s). 2019

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 — Set-up of the laparoscopic training parkour in the operation theater. Laparoscopic training parkour in the operation theater (a, b). When using the passive polarizing 3D display system the participating surgeons have to wear special glasses (b)