Funding for this research was provided by:
Italian Ministry of Health (Ricerca Corrente Program)
Received: 15 April 2020
Accepted: 20 May 2020
First Online: 27 May 2020
Ethics approval and consent to participate
: Not applicable.
: Written informed consent to molecular testing and to the full content of this publication from the parents was obtained. The signed consent is available in case of Editorial request.
: The authors declare that they have no competing interests.