1. Research Center for Nuclear Physics, Osaka University, Osaka, Japan;
2. Division of Sustainable Energy and Environmental Engineering, Graduate School of Engineering, Osaka University, Suita, Japan;
3. Department of Urology, Shiga University of Medical Science, Shiga, Japan;
4. Institute for Radiation Sciences, Osaka University, Suita, Japan;
5. Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Kyoto, Japan;
6. Radioisotope Research Center, Agency for Health, Safety and Environment Kyoto University, Kyoto, Japan;
7. Department of Pure and Applied Physics, Faculty of Engineering Science, Kansai University, Suita, Japan