1. Center for Exploratory Research, Research & Development Group, Hitachi, Ltd., 350-0395 Hatoyama, Saitama Japan
2. Central
Institute of Isotope Science, Hokkaido University, 060-0814 Sapporo, Japan
3. Center for Technology Innovation − Healthcare, Research & Development Group, Hitachi, Ltd., 185-8601 Kokubunji, Japan
4. Department
of Nuclear Medicine, Graduate School of Medicine, Hokkaido University, 060-8638 Sapporo, Japan
5. Department of Tracer Kinetics & Bio-analysis, Graduate School of Medicine, Hokkaido University, 060-8638 Sapporo, Japan
6. Department
of Integrated Molecular Imaging, Graduate School of Medicine, Hokkaido University, 060-8638 Sapporo, Japan