Received: 15 March 2019
Accepted: 15 December 2019
First Online: 21 December 2019
Ethics approval and consent to participate
: This study was approved by the ethic committee of the University Hospital of Ferrara (PROTOCOL N 45/2013). Written informed consent from all participants of the study was obtained.
: All participants gave written informed consent for their personal and clinical data publication along with written consent for publication for any identifying images in this study, according to the Italian laws.
: The authors declare that they have no competing interests.