1. Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Japan
2. Mount Fuji Research Institute, Yamanashi Prefectural Government, Fujiyoshida, Japan
3. Maize and Cash Crops Research Center, National Agriculture and Forestry Research Institute (NAFRI), Vientiane, Laos
4. Rice Research Center, National Agriculture and Forestry Research Institute (NAFRI), Vientiane, Laos