Viggiano, Claudia
Occhinegro, Annachiara
Siano, Maria Anna
Mandato, Claudia
Adinolfi, Michele
Nardacci, Annalisa
Caiazzo, Anna Luisa
Viggiano, Domenico
Vajro, Pietro http://orcid.org/0000-0002-9418-5880
Article History
Received: 1 December 2019
Revised: 22 February 2020
Accepted: 23 March 2020
First Online: 11 May 2020
Competing interests
: The authors declare no competing interests.
: Each parent who accepted to voluntarily participate in the study was required to sign informed consent, and was allowed to withdraw from the study at any time.