1. Indonesian Agricultural Environment Standardization Institute, Indonesian Agency for Agricultural Instrument Standardization, Pati, Indonesia
2. Research Center for Food Crops, Research Organization for Agriculture and Food, National Research and Innovation Agency, Cibinong Science Center, Bogor, Indonesia
3. Research Center for Horticultural and Estate Plantation, Research Organization for Agriculture and Food, National Research and Innovation Agency, Cibinong Science Center, Bogor, Indonesia
4. Institute for Agro-Environmental Sciences, National Agriculture and Food Research Organization, Tsukuba, Japan
5. Crop, Livestock and Environment Division, Japan International Research Center for Agricultural Sciences, Tsukuba, Japan