Text and Data Mining valid from 2020-05-06
Received: 20 January 2020
Accepted: 27 April 2020
First Online: 6 May 2020
Ethics approval and consent to participate
: All the procedures were in accordance with the Helsinki Declaration; informed consent was obtained from all the patients at baseline, and the study was approved by Ethical Committee of the Hospital of Asti.
: Not applicable.
: The authors declare that they have no competing interests.