1 Immunology Laboratory, Biology and Pathology Department, University Hospital of Reims, Reims, France.
2 University of Reims Champagne Ardenne, INSERM UMR 1250, Reims, France.
3 Department of Women and Children's Health (Pediatric Allergy), Faculty of Life Sciences and Medicine, School of Life Course Sciences, King's College London, London, United Kingdom.
4 Peter Gorer Department of Immunobiology, School of Immunology and Microbial Sciences, King's College London, London, United Kingdom.
5 Children's Allergy Service, Evelina London Children's Hospital, Guy's and St Thomas' Hospital, London, United Kingdom.