| Medical history |
| Date of first-ever respiratory manifestation |
| Neonatal respiratory disease |
| Cough |
| Dyspnoea at rest and/or on exertion |
| Tachypnoea |
| Upper airway infections |
| Upper airway obstruction |
| Lower airway infections |
| Wheezing and/or asthma |
| Clinical examination |
| Identification of characteristic signs and symptoms |
| Comprehensive ear, nose, throat examination |
| Comprehensive chest examination |
| Vital signs, body weight and height |