Received: 16 September 2020
Accepted: 7 December 2021
First Online: 17 February 2022
: The research was conducted ethically in accordance with the World Medical Association Declaration of Helsinki and approved by ethics committee of the University of Catania, Italy (Ethical Committee Catania 1 Clinical Registration n. 95/2018/PO). Written informed consent was obtained from parents.
: The authors have no conflicts of interest to declare.