1 Department of Paediatrics, Hospital de Santa Maria, CHULN, Portugal. Electronic address: silva.antonio@campus.ul.pt.
2 Paediatric Respiratory Unit, Department of Paediatrics, Hospital de Santa Maria, CHULN, Portugal; Paediatric Lung Function Laboratory, Department of Paediatrics, Hospital de Santa Maria, CHULN, Portugal; Lisbon Academic Medical Centre, University of Lisbon, Portugal.
3 Unidade de Cuidados de Saúde Personalizados de Azeitão, ACES Arrábida, Portugal; University Clinic of Family Medicine, Faculty of Medicine, University of Lisbon, Portugal.
4 Paediatric Cardiology Clinic, Department of Paediatrics, Hospital de Santa Maria, CHULN, Portugal.