Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal ( http://www.elsevier.com/locate/withdrawalpolicy ). This paper has been retracted upon mutual agreement between the publisher and the Editor-in-Chief of EJCDT when it was discovered that this article had also been submitted and published in the International Heart Journal http://dx.doi.org/10.1536/ihj.54.196 . The authors did not give clarification for the action, therefore the paper was retracted following international publishing practices.
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