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. 2012 Jun 4;47(10):1172–1184. doi: 10.3109/10826084.2012.690811

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© 2012 Informa Healthcare USA, Inc.

This is an open access article distributed under the Supplemental Terms and Conditions for iOpenAccess articles published in Informa Healthcare journals, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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