Uccella, Sara http://orcid.org/0000-0003-4164-2125
Accogli, Andrea http://orcid.org/0000-0001-8724-6721
Tortora, Domenico http://orcid.org/0000-0002-5621-4046
Mancardi, Maria Margherita http://orcid.org/0000-0001-5122-4029
Nobili, Lino http://orcid.org/0000-0001-9317-5405
Berloco, Bianca
Morana, Giovanni http://orcid.org/0000-0001-8707-5969
Striano, Pasquale http://orcid.org/0000-0002-6065-1476
Capra, Valeria http://orcid.org/0000-0002-3097-0388
Srour, Myriam
Saint-Martine, Christine http://orcid.org/0000-0002-3632-7502
Rossi, Andrea http://orcid.org/0000-0001-8575-700X
Severino, Mariasavina http://orcid.org/0000-0003-4730-5322
Article History
Received: 29 November 2018
Revised: 10 February 2019
Accepted: 14 February 2019
First Online: 22 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This was a double-center retrospective observational study performed at the Istituto Giannina Gaslini Children’s Hospital (Genoa, Italy) and McGill University (Montreal, Canada). The Ethical Committees of both institutions waived written parental consent due to the retrospective nature of the study. This study has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.