Institution: | 1. Department of Neurosurgery, Freiburg University Medical Center, Germany;2. Surgical Neurology Branch, NINDS, National Institutes of Health, Bethesda, MD, USA;3. Department of Neurology, Mayo Clinic, Rochester, MN, USA;4. Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA;5. Department of Pathology, Yale University School of Medicine, New Haven, CT, USA |