1. Department of Mechanical Engineering Johns Hopkins University Baltimore MD 21218 USA
2. The Russell H. Morgan Department of Radiology and Radiological Science Johns Hopkins Medical Institutions Baltimore MD 21231 USA
3. Department of Electrical and Computer Engineering Whiting School of Engineering Johns Hopkins University Baltimore MD 21218 USA
4. Department of Oncology Johns Hopkins University School of Medicine Baltimore MD 21287 USA
5. The Russell H. Morgan Department of Radiology and Radiological Science Johns Hopkins University School of Medicine Baltimore MD 21287 USA