1. Japan International Research Center for Agricultural Sciences (JIRCAS), Ohwashi, Tsukuba, Ibaraki, Japan
2. International Rice Research Institute (IRRI), DA, Metro Manila, Philippines
3. Graduate School of Agricultural and Life Sciences, Institute of Sustainable Agro-ecosystem Services (ISAS), The University of Tokyo, Midoricho, Nishitokyo, Tokyo, Japan
4. Faculty of Agriculture, Saga University, Honjo-machi, Saga, Japan
5. Research Faculty of Agriculture, Hokkaido University, Kita-9 Nishi-9, Kita-ku, Sapporo, Japan
6. National Institute of Crop Science (NICS), NARO, Kannondai, Tsukuba, Ibaraki, Japan
7. Central Region Agricultural Research Center (CARC), National Agriculture and Food Research Organization (NARO), Inada, Joetsu, Niigata, Japan