1. Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal
2. Royal Brompton and Harefield NHS Foundation Trust, London, U.K.
3. Service of Immunoallergology, Hospital Pêro da Covilhã, Cova da Beira Hospital Center, Covilhã, Portugal
4. Clinical Academic Center of Beiras, Covilhã, Portugal
5. Service of Pneumology, Hospital Pêro da Covilhã, Cova da Beira Hospital Center, Covilhã, Portugal
6. Center for Health Technology and Services Research (CINTESIS), Faculty of Medicine, University of Porto, Porto, Portugal
7. Department of Community Medicine Health Information and Decision (MEDCIDS), Faculty of Medicine, University of Porto, Porto, Portugal
8. BloomIdea, Braga, Portugal
9. Allergy Unit, Institute and Hospital of Porto CUF, Porto, Portugal
10. Medicine, Education, Research, Development and Evaluation (MEDIDA), Porto, Portugal