Funding for this research was provided by:
Italian Ministry of Health (Ricerca Corrente)
Associazione la Vita è un Dono
Received: 14 May 2019
Accepted: 16 August 2019
First Online: 23 August 2019
Ethics approval and consent to participate
: Data reported in this study represent standard clinical practice and a formal approval by the ethics committee of the Bambino Gesù Children Hospital, Rome was not requested. All participants (or parents for minor patients) allowed the permission to participate in data collection.
: See above.
: The authors declare that they have no competing interests.