1 Allergy Section, Department of Internal Medicine, Hospital Vall d'Hebron, and ARADyAL research network.
2 Department of Allergy and Immunology, Hospital Quironsalud Bizkaia.
3 Department of Allergy, Clinical Research Center for Allergy and Rheumatology, Sagamihara National Hospital.
4 Pediatric Allergy and Immunology Unit, Ain Shams University.
5 Servicio de Alergia, Hospital Clınico San Carlos.
6 Department of Pediatrics, Emory University School of Medicine.
7 Division of Medicine, Academy of Medicine of Rio de Janeiro.
8 Division of Pulmonary, Allergy and Sleep Medicine, Department of Medicine, Mayo Clinic.
9 Division of Allergy-Immunology, Department of Medicine, Northwestern University Feinberg School of Medicine.
10 Allergy and Clinical Immunology Department, Centro Médico Docente La Trinidad and Clinica El Ávila.
11 Asthma Center and Allergy Unit, Verona University and General Hospital.
12 Allergy and Respiratory Research Group, Usher Institute of Population Health Sciences and Informatics, The University of Edinburgh.
13 Hospital Sírio Libanês, Brazil and University Hospital of Montpellier, São Paulo, Montpellier, and Sorbonne Université, INSERM Paris, France, and WHO Collaborating Centre on Scientific Classification Support Montpellier, and WHO ICD-11 Medical and Scientific Advisory Committee Geneva.
14 Department of Rheumatology, Allergy and Immunology, Tan Tock Seng Hospital.
15 National Heart Lung Institute, Imperial College London and Discipline of Paediatrics and Child Health, School of Medicine, University of Sydney.
16 Department of Dermatology and Allergology, Charite-Universitätsmedizin.