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Article History

Received: 3 January 2018

Accepted: 12 September 2018

First Online: 20 September 2018

Ethics approval and consent to participate

: This retrospective analysis of data was approved by the internal ethical committee (Protocol n° 71/2018 of San Camillo Hospital of Trento ethical committee).

: Before surgery, each patient signed a written consent for the surgical procedure and data collection. In any case, the images and data shown make it impossible to identify any patient in any way.

: All of the authors have no potential conflicts of interest to disclose with respect to the research, authorship, and publication of this article. All authors received no financial support for the research, authorship, and publication of this article.

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