Funding for this research was provided by:
Text and Data Mining valid from 2019-10-13
Received: 12 June 2019
Accepted: 25 September 2019
First Online: 13 October 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Brescia on March 2018 (NP 3061) and was conducted according to the principles expressed in the Declaration of Helsinki and its later amendments. Written informed consent was obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests<b>.</b>