1. Institute of Radiobiology and Radiation Protection NJSC, Astana Medical University, Astana 010000, Kazakhstan
2. The Center for Peace, Hiroshima University, 1-1-89 Higashisenda-machi, Naka-ku, Hiroshima 730-0053, Japan
3. Institute of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Ibaraki, Tsukuba 305-8577, Japan