1. Graduate School of Environmental Science, Hokkaido University
2. Donan Agricultural Experiment Station, Agricultural Research Development, Hokkaido Research Organization
3. Ornamental Plants and Vegetables Research Center, Agricultural Research Development, Hokkaido Research Organization
4. Hokkaido Nuclear Energy Environmental Research Center
5. Kitami Agricultural Experiment Station, Agricultural Research Development, Hokkaido Research Organization
6. Central Agricultural Experiment Station, Agricultural Research Development, Hokkaido Research Organization
7. Vegetable Crops & Medicinal and Aromatic Plants, Department of Agricultural, Forest and Food Sciences, University of Turin
8. Field Science Center for Northern Biosphere, Hokkaido University