1. Paediatric Emergency Department ASST dei Sette Laghi Varese Italy
2. Paediatric Unit Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milan Italy
3. Department of Clinical Science and Community Health University of Milan Milan Italy
4. Department of Paediatrics Ospedale dei Bambini Vittore Buzzi Milan Italy
5. Department of Biomedical and Clinical Sciences University of Milan Milan Italy
6. Paediatric Emergency Department ASST Papa Giovanni XXIII Bergamo Italy
7. Department of Emergency Medicine University Children's Hospital, Spedali Civili Brescia Italy
8. Paediatric Emergency Department Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milan Italy
9. Woman and Child Department ASST dei Sette Laghi Varese Italy
10. Department of Medicine and Surgery University of Insubria Varese Italy