1. Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, USA
2. Center for Molecular Imaging and Nanotechnology (CMINT), Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
3. Department of Electrical and Computer Engineering, University of Cyprus, Nicosia, 1678 Nicosia, Cyprus
4. Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, USA
5. Department of Chemistry, The Graduate Center of the City University of New York, New York, NY 10016, USA
6. Department of Immunology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, USA
7. Department of Imaging, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA 02215, USA
8. Department of Radiology, Brigham & Women's Hospital and Harvard Medical School, Boston, MA 02215, USA