Giardino, Stefano http://orcid.org/0000-0002-7788-6407
Volpi, Stefano
Lucioni, Federica
Caorsi, Roberta
Schneiderman, Jennifer
Lang, Abigail
Khojah, Amer
Kuijpers, Taco
Papadatou, Ionanna
Paisiou, Anna
Alonso, Laura
Schulz, Ansgar
Marcus, Nufar
Gattorno, Marco
Faraci, Maura
Article History
Received: 25 January 2022
Accepted: 8 June 2022
First Online: 29 June 2022
Declarations
:
: This study, performed in line with the principles of the Declaration of Helsinki, is an observational retrospective study that collects pseudo-anonymized data. The Research Ethics Committee of each Centre involved has confirmed that no ethical approval is required.
: Informed consent to participate in retrospective study was obtained from the parents of all individual participants included in the study.
: Not applicable
: The authors declare no competing interests.