1 Radiology Department, Faculty of Medicine, University of Novi Sad, Institute for Children and Adolescents Health Care of Vojvodina, Novi Sad, Serbia.
2 Pulmonology Department, Faculty of Medicine, University of Novi Sad, Institute for Children and Adolescents Health Care of Vojvodina, Novi Sad, Serbia.
3 Pathology Department, Faculty of Medicine, University of Novi Sad, Institute for Pulmonary Diseases, Sremska Kamenica, Serbia.