Article History
Received: 5 November 2018
Accepted: 12 September 2019
First Online: 15 November 2019
Compliance with Ethical Standards
:
: Claudia Pannitteri, Maria Laura Corollaro, and Ivano Caprioli declare that they have no conflict of interest.
: All procedures performed in this study were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all participants included in the study.