1. Departments of Neurology (N.H.P., K.N.S., R.M.J.), Yale University School of Medicine, New Haven, CT.
2. Neurosurgery (K.N.S., R.M.J.), Yale University School of Medicine, New Haven, CT.
3. Departments of Neurology, Neurosurgery and Translational Neuroscience, Barrow Neurological Institute, Phoenix, AZ (K.N.S., R.M.J.).