1. Department of Chemistry, Hunter College of the City University of New York, 413 East 69th Street, New York, New York 10028, United States
2. Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, 365 Fifth Avenue, New York, New York 10016, United States
3. Advanced Science Research Center (ASRC) at The Graduate Center, City University of New York, 85 St. Nicholas Terrace, New York, New York 10031, United States
4. Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
5. Department of Immunology and Microbiology, UF Scripps Biomedical Research, University of Florida, Jupiter, Florida 33458, United States
6. Department of Chemistry, University of Helsinki, P.O. Box 55, FI-00014 Helsinki, Finland
7. Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 Fifth Avenue, New York, New York 10016, United States
8. Department of Radiology, Weill Cornell Medical College, 520 East 70th Street, New York, New York 10065, United States