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. 2017 May 25;3:43. doi: 10.1186/s40795-017-0160-4

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© The Author(s). 2017

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. 2 — Series of 6 photographs representing angled view (45°) of portion sizes of string hoppers. The weights of the portions are 34 g, 91 g, 128 g, 186 g, 280 g, 372 g, 464 g and 550 g, in the ascending order