1. Clinic for Child Neurology and Psychiatry, Department of Child Neurology, Medical Faculty University of Belgrade, Belgrade, Serbia,
2. Bone Marrow Transplantation Unit, San Gerardo Hospital, Department of Pediatric Hematology, University of Milan-Bicocca, Monza, Italy
3. Department of Child Neurology, National Neurological Institute “Carlo Besta”, Milan, Italy
4. Magnetic Resonance Imaging Unit, Institute of Oncology Sremska Kamenica, Sremska Kamenica-Novi Sad, Serbia
5. Clinic for Child Neurology and Psychiatry, Department of Child Neurology, Medical Faculty University of Belgrade, Belgrade, Serbia