1. Department of Neurology, Evaggelismos Hospital, 45-47 Ipsilantou Street, 10676 Athens, Greece
2. Department of Neurosurgery, Athens Medical School, Evaggelismos Hospital, 45-47 Ipsilantou Street, 10676 Athens, Greece
3. Department of Radiology, Evaggelismos Hospital, 45-47 Ipsilantou Street, 10676 Athens, Greece