| Affiliation: | 1. Princess Amalia Children's Centre, Isala Hospital, Zwolle, the Netherlands;2. Pediatric Respiratory and Allergy Units, ‘Virgen de la Arrixaca’ University Children's Hospital, University of Murcia, Murcia, Spain;3. Arrixaca Bio‐Health Research Institute of Murcia, Murcia, Spain;4. Department of Pediatric Respiratory Medicine, Hospital El Pino, University of Santiago de Chile (USACH), Santiago, Chile;5. Division of Allergy, Clinical Immunology and Rheumatology, Department of Pediatrics, Federal University of S?o Paulo (UNIFESP), S?o Paulo, Brazil;6. UMCG Postgraduate School of Medicine, University Medical Centre and University of Groningen, Groningen, the Netherlands |
