Funding for this research was provided by:
ministero della salute (n.a.)
Received: 4 August 2021
Accepted: 15 September 2021
First Online: 11 October 2021
: The study was conducted in compliance with all ethical research standards. All parents provide their consent to participate. The entire research process was monitored and approved by the University of Milano Bicocca, in keeping with the ethical standards required for all forms of research and inquiry.
: The collected data were used in an anonymous and aggregate form, in compliance with the EU General Data Protection Regulation n. 679/2016 (D.gls. n.196/2003 “Codice di Protezione in materia di dati personali” (modified by D.gls. n. 101 del 10.08.2018).
: The authors declare that they have no competing interests.