Allergy Section, Department of Internal Medicine, Hospital Vall d'Hebron, and ARADyAL research network

Department of Allergy and Immunology, Hospital Quironsalud Bizkaia

Department of Allergy, Clinical Research Center for Allergy and Rheumatology, Sagamihara National Hospital

Pediatric Allergy and Immunology Unit, Ain Shams University

Servicio de Alergia, Hospital Clınico San Carlos

Department of Pediatrics, Emory University School of Medicine

Division of Medicine, Academy of Medicine of Rio de Janeiro

Division of Pulmonary, Allergy and Sleep Medicine, Department of Medicine, Mayo Clinic

Division of Allergy-Immunology, Department of Medicine, Northwestern University Feinberg School of Medicine

Allergy and Clinical Immunology Department, Centro Médico Docente La Trinidad and Clinica El Ávila

Asthma Center and Allergy Unit, Verona University and General Hospital

Allergy and Respiratory Research Group, Usher Institute of Population Health Sciences and Informatics, The University of Edinburgh

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

Department of Rheumatology, Allergy and Immunology, Tan Tock Seng Hospital

National Heart Lung Institute, Imperial College London and Discipline of Paediatrics and Child Health, School of Medicine, University of Sydney

Department of Dermatology and Allergology, Charite-Universitätsmedizin