Text and Data Mining valid from 2018-03-27
Received: 17 July 2017
Accepted: 21 March 2018
First Online: 27 March 2018
Ethics approval and consent to participate
: This study was approved by Ethics Committee of Modena University Hospital. All patients gave informed written consent prior to being included in this retrospective study performed in accordance with the Ethical Standards of the 1964 Declaration of Helsinki as revised in 2000.
: Not applicable.
: The authors declare that they have no competing interests.
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