Funding for this research was provided by:
Ministero della Salute (RF-2016-02364582, Ricerca Corrente 2018-2019 MIMOSA504, GR-2010-2316745)
Received: 21 May 2019
Accepted: 5 July 2020
First Online: 17 July 2020
Ethics approval and consent to participate
: All procedures performed in this study were in accordance with the ethical standards of the institutional research committee (Dr. Paolo AROSIO, Dr. Graziella UZIEL, Dr. Simona GUARISCO, Dr. Eleonora MAINO, Dr. Maurizio RAVERA, Dr. Agostino SILVA, Dr. Eliana RULLI, Dr. Marco POZZI, Law. Anna Paola MANFREDI, Dr. Andrea LAVAZZA, Dr. Francesca VILLANOVA, Dr. Giovanni MANENTI, Engr. Giuseppe ANDREONI, Dr. Cristina SOBACCHI) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Parents’ written informed consent was obtained for all participants.
: Not applicable.
: The authors declare that they have no competing interests. The authors declare no potential conflicts of interest related to the present paper.