1 Division of Neurosurgery, Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University, Naples, Italy.
2 Division of Neurosurgery, Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University, Naples, Italy - teresa.somma85@gmail.com.
3 Division of Neurosurgery, BIOMORF Department, University of Messina, Messina, Italy.
4 Section of Pathology, Department of Advanced Biomedical Sciences, Federico II University, Naples, Italy.
5 Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.