Text and Data Mining valid from 2019-10-26
Received: 26 April 2019
Accepted: 30 September 2019
First Online: 26 October 2019
Ethics approval and consent to participate
: The study was approved by the Regional Ethics Committee of Friuli Venezia Giulia (02/04/2019 - odg 5.9). Data were collected following Italian regulations and laws: parents sign a standard privacy form in which they give consent to the collection and storage of child health data.
: Not applicable
: The authors declare that they have no competing interests.