Ethical Approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and /or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.

Consent for Publication

informed consent was obtained from the participant included in the study.

Conflict of Interest

Ilaria Zamberlan, Alberto Nieri, Luca Urso, Sara Adamantiadis, Valeria Lombardo, Mirco Bartolomei and Corrado Cittanti declare that they have no conflict of interest.