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. 2015 Mar 10;9:11. doi: 10.1186/s13033-015-0005-y

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© De Vecchi et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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Thematic network global theme development. Themes branch inwards towards the central global theme in a non-hierarchical web of metaphors derived from the data.