1. CEDOC; Respiratory Research Group; Nova Medical School; Campo dos Mártires da Pátria; Lisbon Portugal
2. Serviço de Imunoalergologia; Hospital de Dona Estefânia; Centro Hospitalar de Lisboa Central; EPE; Lisbon Portugal
3. Epidemiology and Statistics Analisys Unit; Research Centre; Centro Hospitalar de Lisboa Central; EPE; Lisbon Portugal
4. CEAUL; Department of Biostatistic and Informatics; Nova Medical School; Campo dos Mártires da Pátria; 130, 1169-056, Lisbon Portugal
5. National Laboratory for Civil Engineering; Lisbon Portugal
6. Environmental Health Department; National Health Institute Doutor Ricardo Jorge - Lisboa; Lisbon Portugal
7. Environmental Health Department; National Health Institute Doutor Ricardo Jorge - Porto; Oporto Portugal
8. Institute of Public Health (ISPUP); University of Porto; Oporto Portugal
9. Hospital da Luz; Lisbon Portugal
10. Sorbonne Universités, UPMC Univ Paris 06, INSERM; Institut Pierre Louis d’Epidémiologie et de Santé Publique (IPLESP UMRS 1136); Epidemiology of Allergic and Respiratory diseases department (EPAR); Medical School Saint-Antoine; F75012 Paris France