1. Department of Neurology, Division of Neuroendovascular Surgery and Neurocritical care, Rutgers University - Robert Wood Johnson Medical School, New Brunswick, New Jersey
2. Department of Neurosurgery, Rutgers University School of Medicine, Newark, New Jersey
3. Departments of Neurology; Columbia University Medical Center, New York, New York
4. Department of Neurology, Rutgers University School of Medicine, Newark, New Jersey
5. Departments of Neurosurgery and Radiology, Columbia University Medical Center, New York, New York