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. Author manuscript; available in PMC: 2014 Nov 17.
Published in final edited form as: Societies (Basel). 2014 Jan 20;4(1):45–67. doi: 10.3390/soc4010045
This article is an open access article distributed under the terms
and conditions of the Creative Commons Attribution license
(http://creativecommons.org/licenses/by/3.0/).