1. Institute for Integrated Radiation and Nuclear Science, Kyoto University , Kumatori, Osaka, 590-0494 , Japan
2. Graduate School of Agricultural and Life Sciences , The University of Tokyo 1-1-1, Yayoi, Bunkyo-ku, Tokyo, 113-8657 , Japan
3. Kochi University of Technology , Kami, Kochi, 782-8502 , Japan
4. Hama Agricultural Regeneration Research Centre, Fukushima Agricultural Technology Center , Minamisoma, Fukushima, 975-0036 , Japan
5. Hitachi Zosen Corporation , Minamioi, Shinagawa-ku, Tokyo 140-0013 , Japan
6. Kokusai Kogyo Co., Ltd. , Fuchu, Tokyo, 183-0057 , Japan
7. Matsuura Denkosha Co., Ltd. , Nonoichi, Ishikawa, 921-8809 , Japan
8. S2 Factory Inc. , Dogenzaka, Shibuya-ku, Tokyo, 150-0043 , Japan