1 Pathology Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy.
2 Division of Anatomic Pathology, Department of Integrated Surgical and Diagnostic Sciences, Scuola di Scienze Mediche e Farmaceutiche, Università di Genova, Genova, Italy.
3 Neurosurgery Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy.
4 Neuroradiology Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy.