Text and Data Mining valid from 2018-03-27
Received: 25 January 2018
Accepted: 11 February 2018
First Online: 27 March 2018
Change Date: 26 March 2019
Change Type: Correction
Change Details: Following publication of the original article , the authors flagged that the author affiliations detailed in the article are incorrect for the authors M. L. Calcagni and A. Giordano.
Ethics approval and consent to participate
: This is a retrospective analysis of a prospective study. All patients who were enrolled in the prospective study provided written informed consent before participating. The further retrospective study received the approval of the ethics committees of our teaching hospitals (Comité Régional Ethique Aquitaine and Comitato Etico, Università Cattolica del S. Cuore, Roma).
: Not applicable
: The authors declare that they have no competing interests.
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