1. Department of Neurosurgery, CHRU de Nancy, Université de Lorraine, F-54000 Nancy, France
2. Le Centre de Recherche en Automatique de Nancy, Le Centre National de la Recherche Scientifique, Université de Lorraine, F-54000 Nancy, France
3. Department of Neurosurgery, Gui de Chauliac Hospital, Montpellier University Medical Center, F-34295 Montpellier, France
4. Team ‘Plasticity of Central Nervous System, Stem Cells and Glial Tumours’, INSERM U1191, Institute of Genomics of Montpellier, University of Montpellier, F-34295 Montpellier, France