1. Clinic of Neurosurgery, University Clinical Center of Kosovo, Prishtina, Kosovo
2. Clinic of Neurosurgery, Faculty of Medicine, University of Prishtina, Prishtina, Kosovo
3. Service of Neurosurgery, University Hospital Center”Mother Teresa”, Tirana, Albania
4. Clinic of Anaesthesiology, University Clinical Center of Kosovo, Prishtina, Kosovo
5. Clinic of Paediatric Surgery, University Clinical Center of Kosovo, Prishtina, Kosovo
6. College of Medical Science ‘’REZONANCA’’ Gllokute Shelgjet” Veternik”, Prishtina, Kosovo