1. Departments of Medicine, Radiology,
and the Molecular Pharmacology and Chemistry Program, Memorial Sloan-Kettering Cancer Center, New York, New
York 10065, United States
2. Department of Scientific Research, The Metropolitan Museum of Art, 1000 Fifth Avenue,
New York, New York 10028, United States
3. College of Nanoscale Science and
Engineering, University at Albany, Albany,
New York 12203, United States