1 Department of Emergency Medicine and Trauma Center, Meyer University Children's Hospital, viale Gaetano Pieraccini, 24, 50139, Florence, Italy. niccolo.parri@meyer.it.
2 Emergency Department, Schneider Children's Medical Center of Israel, Petah Tikva, Israel.
3 Department of Emergency Medicine and Trauma Center, Meyer University Children's Hospital, viale Gaetano Pieraccini, 24, 50139, Florence, Italy.
4 Division of Neonatology, Careggi University Hospital of Florence, Florence, Italy.
5 Pediatric Emergency Department, University of Paris, APHP Robert Debré Hospital, Paris, France.
6 Great North Trauma and Emergency Care Centre, Newcastle, UK.
7 Division of Pediatric Emergency Medicine, London Health Sciences Centre, London, Ontario, Canada.
8 Division of Pediatric Emergency Medicine, Cohen Children's Medical Center - Northwell Health, NY, USA.