1. National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
2. Division of Functional Imaging, National Cancer Center Hospital East, Kashiwa, Japan
3. Department of Radiological and Medical Laboratory Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan
4. Department of Nuclear Medicine, Kawasaki Medical School, Kurashiki, Japan
5. Department of Diagnostic Radiology, Kyoto University Hospital, Kyoto, Japan