1. Quantum Beam Science Research Directorate, National Institutes for Quantum and Radiological Science and Technology, 2-4 Shirakata; Tokai Ibaraki 319-1106 Japan
2. Kyowa Hakko Kirin Co. Ltd; 3-6-6 Asahi-Cho Machida Tokyo 194-8533 Japan
3. Department of Biology, Faculty of Education and Integrated Arts and Sciences; Waseda University; 2-2 Wakamatsu, Shinjuku Tokyo 162-8480 Japan
4. Department of Innovative Drug Discovery and Development; Japan Agency for Medical Research and Development; 1-5-5 Nihonbashi-muromachi, Chuo Tokyo 103-0022 Japan
5. College of Medicine; Florida State University; 1115 West Call Street, Tallahassee Florida 32306-4300, USA