Text and Data Mining valid from 2018-08-27
Received: 23 November 2017
Accepted: 19 July 2018
First Online: 27 August 2018
Ethics approval and consent to participate
: The local committee named “ethic committee of the cardiovascular department” approved the study.All patients gave informed written consent.
: Not applicable.
: The authors declare that they have no competing interests.
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