1. National Institute of Radiological Sciences
2. Center for Advanced Radiation Emergency Medicine, National Institutes for Quantum and Radiological Science and Technology, Chiba 263-8555, Japan
3. Okinawa Institute of Science and Technology Graduate University, Okinawa 904-0495, Japan
4. Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, PR China
5. Center for Animal Research and Education, Nagoya University, Nagoya 464-8601, Japan