Received: 13 January 2020
Accepted: 5 May 2020
First Online: 12 May 2020
Ethics approval and consent to participate
: Ethical approval for this study was granted by the Brescia Province Ethics Committee, Spedali Civili of Brescia (10/21/2016). Written informed consent was obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.