1. Department of Neurology (A.A., S.K.R.), New York University School of Medicine.
2. Department of Radiology (E.R.), New York University School of Medicine.
3. Department of Neurosurgery (P.H.), New York University School of Medicine.
4. Department of Neurosurgery (P.H.), Bellevue Hospital Center, New York.
5. Department of Neurology (S.K.R.), Bellevue Hospital Center, New York.