- Correspondence to Dr Maziar Moradi-Lakeh, Department of Community Medicine, Knowledge Utilization Research Center (KURC), Tehran University of Medical Sciences, Crossroads of Hemmat and Chamran highways, Tehran 618314155, Iran;
- Received May 12, 2012
- Revised August 27, 2012
- Accepted November 21, 2012
- First published January 15, 2013.
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