1. Department of Neurosurgery, Louisiana State University Health Science Center, Shreveport, Louisiana
2. McGuire Research Institute, Richmond Veterans Affairs Medical Center
3. Department of Mechanical and Nuclear Engineering, Virginia Commonwealth University, Richmond, Virginia
4. Department of Biomedical Engineering, Harvard Medical School, Boston, Massachusetts
5. Department of Biomedical Engineering, Virginia Commonwealth University
6. Southeast Parkinson’s Disease Research, Education and Clinical Center (PADRECC), Richmond Veterans Affairs Medical Center
7. Department of Neurology, Virginia Commonwealth University Health System, Richmond, Virginia, USA