1. Department of Chemistry, Texas Christian University, Fort Worth, Texas 76129,
United States
2. Molecular Imaging Program, Center for Cancer Research, National Cancer
Institute, National Institutes of Health, Bethesda, Maryland 20892,
United States
3. SAIC-Frederick, Inc., NCI-Frederick, National Cancer
Institute, National Institutes of
Health, Frederick, Maryland 21702, United States
4. Laboratory of Diagnostic Radiology Research, Radiology & Imaging Sciences, Warren Magnuson Clinical Center, National Institutes of Health, Bethesda, Maryland 20892, United States
5. Department of Innovative Technologies, University of Applied Science of Southern Switzerland, Galleria 2,
Manno 6928, Switzerland