1. Pediatric Allergy Department, Children's Hospital University Hospital of Nancy Vandœuvre‐les‐Nancy France
2. DRCI, MPI Department, Methodology, Data Management and Statistics Unit University Hospital of Nancy Vandœuvre‐les‐Nancy France
3. Department of Pediatric Lung Function Testing, Children's Hospital University Hospital of Nancy Vandœuvre‐les‐Nancy France
4. EA3450 DevAH – Department of Physiology, Faculty of Medicine University of Lorraine Vandœuvre‐les‐Nancy France
5. National Department of Allergy, Hospital Centre of Luxembourg Luxembourg Luxembourg