1. Department of Biomedical Engineering University of Alabama at Birmingham (UAB) 1825 University Blvd Birmingham AL 35294 USA
2. Department of Surgery UAB 1808 7th Avenue South Birmingham AL 35294 USA
3. Department of Neurosurgery UAB 510 20th Street South Birmingham AL 35294 USA
4. Department of Medicine UAB 703 19th Street South Birmingham AL 35294 USA