1. Natural Radiation Safety Department, Korea Institute of Nuclear Safety (KINS), Daejeon, South Korea;
2. Department of Radiation Effects Research, National Institute of Radiological Sciences (NIRS) National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan;
3. Radiobiology and Health Branch, Canadian Nuclear Laboratories, Ontario, Canada;
4. Ottawa, University of Ottawa, Ontario, Canada;
5. Department of Radiation Oncology Feinberg School of Medicine, Northwestern University, Chicago, IL, USA;
6. Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland;
7. Unit PB3 “National and International Cooperation in Radiation Protection”, Federal Office for Radiation Protection (BfS), Neuherberg, Germany;
8. Radiation Effects Department, Centre for Radiation, Chemical and Environmental Hazards, Public Health England (PHE), Oxfordshire, UK;
9. Environmental Science Washington State University, Richland, WA, USA;
10. Center for Radiological Research, Department of Radiation Oncology College of Physicians and Surgeons, Columbia University, New York, NY, USA;
11. Radiation Safety Research Center, Nuclear Technology Research Laboratory, Central Research Institute of Electric Power Industry (CRIEPI), Tokyo, Japan;
12. Department of Radiobiology, Institute for Environmental Sciences (IES), Aomori, Japan;
13. Faculty of Nursing, Tokyo Healthcare University, Tokyo, Japan;
14. Centre for Radiation Protection Research, Department of Molecular Biosciences, The Wenner-Gren Institute Stockholm University, Stockholm, Sweden;
15. NIRS, Fukushima Project Headquarters, Chiba, Japan