Received: 14 December 2020
Accepted: 22 February 2021
First Online: 4 March 2021
: The study was conducted in compliance with the terms of the Helsinki II Declaration and written informed consent for the enrolment and for the publication of individual clinical details was obtained from parents. In our country, namely Italy, this type of clinical study does not require Institutional Review Board/Institutional Ethics Committee approval to publish the results.The authors have obtained consent to publish from the parents of the children.
: The authors have obtained consent to publish from the parents of the children.
: The authors declare that there are no competing interests or conflicts of interest that could be perceived as prejudicing the impartiality of the affirmation reported.