1. Department of Pediatrics; Children's Hospital; Roubaix France
2. Pediatric Pulmonology and Allergy Department; Pôle enfant; Hôpital Jeanne de Flandre; CHRU de Lille; Université Nord de France; Lille France
3. Allergy Vigilance Network; Vandoeuvre les Nancy France
4. Hospital Sírio Libanês; São Paulo Brazil
5. University Hospital of Montpellier; Montpellier France
6. UMR-S 1136, IPLESP, EPAR; UPMC Paris 06; Sorbonne University; Paris France
7. Pediatric Intensive Care Unit; CHU Lille; Lille France
8. Department of Biostatistics; CHU Lille; Lille France
9. Department of Allergology; Emile Durkheim Hospital; Epinal France
10. Department of Epidemiology (CepiDC); National Mortality Center; le Kremlin-Bicêtre Cedex France
11. EA 2694 - Santé Publique: épidémiologie et qualité des soins; Univ. Lille; Lille France