Funding for this research was provided by:
Ministero della Salute (NET-2013-02355263)
Received: 7 December 2021
Accepted: 11 June 2023
First Online: 3 July 2023
: This study was approved by the Internal Review Board (IRB) of the Scientific Institute, IRCCS E. Medea, Bosisio Parini, Lecco, Italy (approval number: 11/2021 Oss). Written informed consents were obtained by parents of patients (all under the age of 18). All methods of this study were carried out in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Written informed consents for publication of the data in an anonymous and aggregated form were obtained.
: The authors declare that they have no competing interests.