second IAEA mission / Nuclear and Industrial Safety Agency / Commission on Safety Standards / International Seismic Safety Centre / World Health Organization / Japanese Meteorological Agency / World Congress / Department of Nuclear Safety and Security / Norwegian Radiation Protection Authority / Government of Japan / Board of Governors / Japan’s Nuclear Safety Commission / International Commission on Radiological Protection / French Institute for Radiation Protection and Nuclear Safety / International Atomic Energy Agency / International Union of Radioecology / International Radiation Protection Association / OECD / /