1. Department of Surgical Sciences, Neurosurgical Unit, University of Insubria, Varese, Italy
2. Department of Neurosurgery, Hôpital Gui de Chauliac, CHU Montpellier, Montpellier, France
3. Institute of Neuroscience of Montpellier, INSERM U1051, Plasticity of Central Nervous System, Human Stem Cells and Glial Tumors, Hôpital Saint Eloi, CHU Montpellier, Montpellier, France