1. Department of Radiology, Duke University, 2424 Erwin Rd, Ste 302, Durham, NC 27705.
2. Department of Electrical and Computer Engineering, Duke University, Durham, NC.
3. Carl E. Ravin Advanced Imaging Laboratories, Duke University, Durham, NC.
4. Clinical Imaging Physics Group, Duke University Health System, Durham, NC.
5. Medical Physics Graduate Program, Duke University, Durham, NC.
6. Department of Biomedical Engineering, Duke University, Durham, NC.
7. Department of Physics, Duke University, Durham, NC.