1. Department of Advanced Nuclear Medicine Sciences, Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan
2. Laboratory of Animal and Genome Sciences Section, National Institutes for Quantum Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan
3. SHI Accelerator Service, Ltd., 1-17-6 Osaki, Shinagawa-ku, Tokyo 141-0032, Japan