1. Clinical Center of Vojvodina, Center for Radiology, Novi Sad, Serbia + University of Novi Sad, Faculty of Medicine, Novi Sad, Serbia
2. Clinical Center of Vojvodina, Center for Radiology, Novi Sad, Serbia
3. University of Novi Sad, Faculty of Medicine, Novi Sad, Serbia + Clinical Center of Vojvodina, Clinic for Infectious Diseases, Novi Sad, Serbia
4. Institute for Pulmonary Diseases of Vojvodina, Sremska Kamenica, Serbia