Fischetti, Francesco http://orcid.org/0000-0001-8616-5372
Cataldi, Stefania http://orcid.org/0000-0002-5929-4766
Greco, Gianpiero http://orcid.org/0000-0002-5023-3721
Article History
Received: 8 April 2019
Accepted: 5 June 2019
First Online: 14 June 2019
Compliance with ethical standards
:
: The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the University Institutional Review Board and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: All participants and their parents received a complete explanation in advance about the purpose of the experiment and the parents provided written consent to the study.