1. Department of Neurosurgery, School of Medicine Johns Hopkins University Baltimore Maryland USA
2. Department of Biomedical Engineering Johns Hopkins University Baltimore Maryland USA
3. HEPIUS Innovation Laboratory, School of Medicine Johns Hopkins University Baltimore Maryland USA
4. Department of Electrical and Computer Engineering Johns Hopkins University Baltimore Maryland USA
5. Department of Anesthesiology and Critical Care, School of Medicine Johns Hopkins University Baltimore Maryland USA
6. Department of Radiology and Radiological Science, School of Medicine Johns Hopkins University Baltimore Maryland USA
7. Department of Mechanical Engineering Johns Hopkins University Baltimore Maryland USA