Text and Data Mining valid from 2019-12-01
Received: 29 August 2019
Accepted: 13 November 2019
First Online: 9 December 2019
Ethics approval and consent to participate
: Patients written consent to the trial was obtained after having provided a complete explanation of the aim of the study. The study protocol was approved by the Ethical Committee of University of Siena (ExternalRef removed # NCT 01835821). All procedures performed in this study involving human participants were in accordance with the ethical standards of the Institutional and National Research Committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: ‘Not Applicable’.
: The authors declare that they have no competing interests.