1. Takasaki Advanced Radiation Research Institute, Quantum Beam Science Research Directorate, National Institutes for Quantum and Radiological Science and Technology
2. National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology
3. Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
4. Department of Applied Chemistry, Chiba University
5. Department of Physics, Tokyo Gakugei University