Billeci, Lucia http://orcid.org/0000-0002-5487-0277
Brunori, Elena
Scardigli, Silvia
Curzio, Olivia
Calderoni, Sara
Maestro, Sandra
Morales, Maria Aurora
Article History
Received: 14 April 2017
Accepted: 25 September 2017
First Online: 20 October 2017
Compliance with ethical standards
:
: This work was supported by grant from the IRCCS Stella Maris Foundation (Ricerca Corrente, and the “5 × 1000” voluntary contributions, Italian Ministry of Health).
: All the authors declare that they have no conflict of interest to disclose.
: The study conformed to the Declaration of Helsinki and was approved by the IRCCS Stella Maris Institutional Ethical Committee.
: An informed consent was obtained from each subject and from a parent or guardian.