Funding for this research was provided by:
Università Cattolica del Sacro Cuore
Received: 29 June 2019
Accepted: 6 December 2019
First Online: 19 December 2019
Consent for publication
: For the publication, the authors have obtained consent from the parents of both children.
: The authors declare that they have no competing interests.Conflict of Interest: All authors have no conflicts of interest to disclose.