Received: 31 January 2022
Accepted: 13 May 2022
First Online: 3 June 2022
: The present study was approved by the Regional Ethics Committee of Liguria on the 16<sup>th</sup> of June 2021 with protocol number 419/2021—id 11611. Written informed consent was obtained from all parents and/or legal guardian of enrolled children. All the methods were carried out in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from all patients’ parents.
: The authors declare that they have no competing interests.