1. Clinical Research Directorate Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, MD, USA; Molecular Imaging Program National Cancer Institute, NIH, Bethesda, MD, USA

2. Department of Radiology, İstanbul University İstanbul School of Medicine, İstanbul, Turkey

3. Molecular Imaging Program, National Cancer Institute, NIH, Bethesda, MD, USA.

4. Molecular Imaging Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA