1. Department of Neurosurgery, University of Verona, Verona, Italy;
2. Department of Neurosurgery, AOUI Borgo Trento Hospital, Verona, Italy;
3. Department of Neuroradiology, AOUI Borgo Trento Hospital, Verona, Italy;
4. Department of Pathology, AOUI Borgo Trento Hospital, Verona, Italy;
5. Department of Pathology, University of Verona, Verona, Italy;
6. Department of Neurosurgery, Walton Centre NHS Foudation Trust, Liverpool, UK