1. Center for Neurological Restoration, The Cleveland Clinic Foundation, Cleveland, Ohio
2. Department of Radiology, The Cleveland Clinic Foundation, Cleveland, Ohio
3. Medtronic Neurological, Minneapolis, Minnesota
4. Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pennsylvania
5. Department of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana
6. Keck School of Medicine, University of Southern California, Los Angeles, California
7. Department of Neurosurgery, Stanford University, Stanford, California