1. Molecular Imaging Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892-1088, United States
2. Institute for Advanced Research, Nagoya University, Nagoya, Aichi 464-0814, Japan
3. Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Aichi 466-8550, Japan
4. Laboratory for Bioanalysis and Molecular Imaging, Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo, Hokkaido 060-0812, Japan
5. Shimadzu Corporation, Kyoto 604-8511, Japan