¹Department of Applied Chemistry, School of Applied Science, National Defense Academy of Japan, ²Department of Applied Physics, School of Applied Science, National Defense Academy of Japan, ³Department of Materials Science and Technology, Faculty of Engineering, Niigata University

¹Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, ²Department of Chemistry, Kyungpook National University, ³Department of Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology

¹Department of Chemistry and Biochemistry, University of Missouri-Saint Louis, ²Mallinckrodt Pharmaceuticals Company, ³Department of Chemistry, Saint Louis University