1. Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
2. Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
3. Department of Chemistry, Hunter College of the City University of New York, New York, New York 10065, United States
4. Ph.D. Program in Chemistry, Graduate Center of the City University of New York, New York, New York 10016, United States
5. Departments of Radiology and Pharmacology, Weill Cornell Medical College, New York, New York 10065, United States
6. Program in Molecular Pharmacology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States