Concezio Di Rocco, MD, is Full Professor and Head of Pediatric Neurosurgery at the Catholic University Medical School, Rome, Italy. In addition, he is a Permanent Visiting Professor at INI-China in Beijing and the Children's Memorial Hospital, Northwestern University Medical School, Chicago. Since 2002, Dr. Di Rocco has been President of the European Society for Paediatric Neurosurgery; he is also a past Vice President of the European Association of Neurosurgical Societies and past President of the International Society for Pediatric Neurosurgery. Dr. Di Rocco is a member of the editorial board of a number of national and international journals and from 1985 to 1990 was Editor of Rivista di Neuroscienze Pediatriche Journal of Pediatric Neurosciences. He is also co-editor of the Springer book series Principles of Pediatric Neurosurgery. Dr. Di Rocco is a Membre d’Honneur of the Société de Neurochirurgie de Langue Française. Mehmet Turgut, MD, PhD, graduated from the Ege University School of Medicine, İzmir, Turkey and later specialized in neurosurgery in Hacettepe University Hospital, Ankara, Turkey. In 2004, he received the PhD degree from the department of Embryology and Histology, Ege University Health Sciences Institute, İzmir, Turkey. He is currently Assistant Professor in the Department of Neurosurgery, Adnan Menderes University School of Medicine, Aydın, Turkey. His fields of expertise and research interests are broad and include developmental neuroscience, pediatric neurosurgery, infectious diseases of the central nervous system, and peripheral nerve surgery. Dr. Turgut is an editorial board member for 17 international journals including Central European Neurosurgery, Journal of Spine, Journal of Pediatric Neurology, Journal of Spine & Neurosurgery, and Journal of Neurosciences in Rural Practice and a reviewer for a wide range of international journals and research programs. He is the lead or co-author of numerous publications in international journals as we