1. Keck School of Medicine; University of Southern California; Los Angeles California
2. Department of Neurosurgery, Keck School of Medicine; University of Southern California; Los Angeles California
3. Department of Integrative Biology of Disease, Keck School of Medicine; University of Southern California; Los Angeles
4. Department of Preventive Medicine, Keck School of Medicine; University of Southern California; Los Angeles California
5. Department of Neurology, Keck School of Medicine; University of Southern California; Los Angeles California
6. Department of Radiology, Keck School of Medicine; University of Southern California; Los Angeles California