Received: 12 July 2019
Accepted: 21 November 2019
First Online: 2 December 2019
Ethics approval and consent to participate
: The study was approved by the local ethics committee (The study was submitted and approved by the local ethics committee (ethics committee of “Azienda Ospedaliera Universitaria città della Salute e della Scienza di Torino”/University of Turin) and was performed in adherence with the last version of the Helsinki Declaration. All patients consented to have their clinical data collected for study purposes by written form.
: Not Applicable.
: Authors have no issues related to journal policies and no potential competing interests.