1. Department of Oncology, Johns Hopkins University School of Medicine, Maryland, USA
2. Current address: Department of Surgery, Tokushima University, 3-18-15 Kuramoto-cho, Tokushima, Japan
3. Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Maryland, USA
4. Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Maryland, USA
5. Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, USA
6. European Commission, Joint Research Centre, Institute for Transuranium Elements, Karlsruhe, Germany