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. 2014 Aug 20;7:386. doi: 10.1186/1756-3305-7-386

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© Bettaieb et al.; licensee BioMed Central Ltd. 2014

This article is published under license to BioMed Central Ltd. 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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Spatial distribution of dwellings included in the study. (a) Kairouan and Sidi Bouzid Governorates location within Tunisia. (b) Location of study area within Kairouan and Sidi Bouzid Governorates. Dwellings included randomly in the study were located by Global Positioning System (GPS) (a dot represents a dwelling).