1. Department of Pediatric Pulmonology, Dana Children’s Hospital
2. Department of Radiology
3. Department of Allergy and Clinical Immunology, and
4. Department of Pediatric Hemato-oncology, Tel-Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel; and
5. Pediatric Pulmonary Institute and CF Center, Rappaport Children’s Hospital, Rambam Health Care Campus, Haifa, Israel