1. Department of Epidemiology, Faculty of Medicine, University of Pristina temporarily seated in Kosovska Mitrovica, Kosovska Mitrovica, Kosovo, Serbia
2. Institute of Epidemiology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
3. Department of Regional Health Services Region Five, Ministry of Public Health, Georgetown, Guyana
4. Programme Coordinator of the Emergency Relief Project ‘Solidarity’, SOS Children’s Villages, Belgrade, Serbia
5. Department of Dentistry, Faculty of Medicine, University of Pristina temporarily seated in Kosovska Mitrovica, Kosovska Mitrovica, Kosovo, Serbia
6. Clinic of Gynaecology and Obstetrics, Clinical Centre of Serbia, University of Belgrade, Belgrade, Serbia
7. Faculty of Medicine, University of Belgrade, Belgrade, Serbia