1. Memorial Sloan Kettering Cancer Center, Department of Medical Physics, 1250 First Avenue, New York, New York 10065, United States
2. State University of New York at Binghamton, Department of Small Scale Systems, Vestal Parkway East, P.O. Box 6000, Binghamton, New York 13902, United States
3. Cornell University, Department of Materials Science and Engineering, 328 Bard Hall, Ithaca, New York 14853-1501, United States
4. University of South Carolina, Department of Electrical Engineering, Main Street, Swearingen Engineering Building 301, Columbia, South Carolina 29208, United States
5. State University of New York Upstate Medical University, Department of Radiology, Syracuse, New York 13210, United States
6. State University of New York Upstate Medical University, Department of Radiology, Syracuse, New York 13210, United StatesfState University of New York Upstate Medical University, Department of Pharmacology, 750 E. Adams Street, Syracuse, New York 13210, United States