1. Department of Radiology, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Pl, Box 1234, New York, NY 10029.
2. Department of Radiology, Kaiser Permanente Fontana Medical Center, Fontana, CA.
3. Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY.
4. Departments of Neurosurgery and Radiation Oncology, University of Arizona, Tucson, AZ.
5. Departments of Neurosurgery and Radiation Oncology, Icahn School of Medicine at Mount Sinai, New York, NY.
6. Department of Radiology, Hospital Universitari Dr. Josep Trueta, University of Girona, Girona, Spain.