1. Department of Infectious Diseases, Division of Internal MedicineAmsterdam University Medical CentersAmsterdam The Netherlands
2. Department of Pediatrics and Child Health and MRC Unit on Child and Adolescent HealthRed Cross War Memorial Children's HospitalUniversity of Cape TownCape Town South Africa
3. Department of Pediatric Pneumology and ImmunologyCharité—UniversitätsmedizinBerlin Germany
4. Department of Pediatric Pneumonology and ImmunologyBerlin Institute of Health (BIH)Berlin Germany
5. Department of Pediatric RadiologyChildren's Hospital PhiladelphiaPhiladelphia Pennsylvania
6. Department of Diagnostic ImagingEscola Paulista de MedicinaUNIFESPSão Paulo Brazil
7. Department is Imaging Diagnostic CenterUNIFESPSão Paulo Brazil
8. Department of Radiology, Paediatric Radiology, Charlotte Maxeke Johannesburg Academic HospitalUniversity of the WitwatersrandJohannesburg South Africa