Article History
Accepted: 20 January 2022
First Online: 27 January 2022
Declarations
:
: This study was performed in line with the principles of the Declaration of Helsinki. The questionnaire and methodology for this study was approved by the Human Research Ethics committee of the University of Naples Federico II (Ethics approval number: 20/2019).
: For the study I, written informed consent was obtained from the parents. For the study II, informed consent was obtained from all individual participants included in the study.
: The authors have no conflicts of interest to declare that are relevant to the content of this article.