1. Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS) Faculty of Medicine, University of Porto Porto Portugal
2. Center for Health Technology and Services Research (CINTESIS) Faculty of Medicine, University of Porto Porto Portugal
3. Division of Rheumatology, Allergy, and Immunology, Department of Medicine Massachusetts General Hospital Boston Massachusetts USA
4. Harvard Medical School Harvard University Boston Massachusetts USA
5. Department of Pulmonology Division of Allergy, Hôpital Arnaud de Villeneuve University Hospital of Montpellier Montpellier France
6. UMR‐S 1136 INSERM‐Sorbonne Université Equipe Epidémiologie des Maladies Allergiques et Respiratoires (EPAR) Institut Pierre Louis d’Epidémiologie et de Santé Publique Paris France
7. Basic and Clinical Immunology Unit, Department of Pathology, Faculty of Medicine University of Porto Porto Portugal