1. MEDCIDS – Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine University of Porto Porto Portugal
2. CINTESIS@RISE – Health Research Network, MEDCIDS, Faculty of Medicine University of Porto Porto Portugal
3. Allergy Service Hospital General Universitario Gregorio Marañón Madrid Spain
4. Gregorio Marañón Health Research Institute Madrid Spain
5. Clinical Research Center for Allergy and Rheumatology National Hospital Organization, Sagamihara National Hospital Sagamihara Kanagawa Japan
6. Pediatric Allergy Unit, Department of Pediatrics, Gynecology and Obstetrics University Hospitals of Geneva Geneva Switzerland