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This article has been peer reviewed. It was published in: Iranian Journal of Microbiology.

Volume 7, Issue 6, December 2015, Pages 294-301.

The published version is available at

Copyright © 2015, Tehran University of Medical Science. All rights reserved.

This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.

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