1. Pediatric Pulmonary Unit; Shaare Zedek Medical Center; Affiliated with the School of Medicine; Hebrew University; Jerusalem Israel
2. Radiology Department; Shaare Zedek Medical Center; Affiliated with the School of Medicine; Hebrew University; Jerusalem Israel
3. Cardio-Vascular Surgery Department; Hadassah Ein Kerem University Hospital; Jerusalem Israel
4. Pediatric Pulmonary Unit; Hadassah Ein Kerem University Hospital; Jerusalem Israel