1. School of Medicine and Departments of
2. Neurosurgery,
3. Computational Medicine and Bioinformatics, and
4. Department of Neurosurgery, Wexner Medical Center, The Ohio State University, Columbus, Ohio; and
5. Radiology, University of Michigan, Ann Arbor, Michigan;
6. Department of Neurosurgery, Semmes Murphey Neurologic and Spine Institute, University of Tennessee, Memphis, Tennessee